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A truth-bearer is an
entity An entity is something that exists as itself, as a subject or as an object, actually or potentially, concretely or abstractly, physically or not. It need not be of material existence. In particular, abstractions and legal fictions are usually ...
that is said to be either true or false and nothing else. The thesis that some things are
true True most commonly refers to truth, the state of being in congruence with fact or reality. True may also refer to: Places * True, West Virginia, an unincorporated community in the United States * True, Wisconsin, a town in the United States * ...
while others are false has led to different theories about the nature of these entities. Since there is divergence of opinion on the matter, the term ''truth-bearer'' is used to be neutral among the various theories. Truth-bearer candidates include
proposition In logic and linguistics, a proposition is the meaning of a declarative sentence. In philosophy, " meaning" is understood to be a non-linguistic entity which is shared by all sentences with the same meaning. Equivalently, a proposition is the no ...
s, sentences, sentence-tokens,
statements Statement or statements may refer to: Common uses *Statement (computer science), the smallest standalone element of an imperative programming language *Statement (logic), declarative sentence that is either true or false *Statement, a declarative ...
,
belief A belief is an attitude that something is the case, or that some proposition is true. In epistemology, philosophers use the term "belief" to refer to attitudes about the world which can be either true or false. To believe something is to tak ...
s,
thought In their most common sense, the terms thought and thinking refer to conscious cognitive processes that can happen independently of sensory stimulation. Their most paradigmatic forms are judging, reasoning, concept formation, problem solving, an ...
s,
intuition Intuition is the ability to acquire knowledge without recourse to conscious reasoning. Different fields use the word "intuition" in very different ways, including but not limited to: direct access to unconscious knowledge; unconscious cognition; ...
s,
utterance In spoken language analysis, an utterance is a continuous piece of speech, often beginning and ending with a clear pause. In the case of oral languages, it is generally, but not always, bounded by silence. Utterances do not exist in written lang ...
s, and
judgement Judgement (or US spelling judgment) is also known as ''adjudication'', which means the evaluation of evidence to make a decision. Judgement is also the ability to make considered decisions. The term has at least five distinct uses. Aristotle s ...
s but different authors exclude one or more of these, deny their existence, argue that they are true only in a derivative sense, assert or assume that the terms are synonymous, or seek to avoid addressing their distinction or do not clarify it.


Introduction

Some distinctions and terminology as used in this article, based on Wolfram 1989 (Chapter 2 Section1) follow. ''It should be understood that the terminology described is not always used in the ways set out, and it is introduced solely for the purposes of discussion in this article.'' Use is made of the type–token and use–mention distinctions. Reflection on occurrences of numerals might be helpful. In grammar a sentence can be a declaration, an
explanation An explanation is a set of statements usually constructed to describe a set of facts which clarifies the causes, context, and consequences of those facts. It may establish rules or laws, and may clarify the existing rules or laws in relatio ...
, a question, a command. In logic a declarative sentence is considered to be a sentence that can be used to communicate truth. Some sentences which are grammatically declarative are not logically so. A character Character A ''character'' is a typographic character (printed or written), a unit of speech, a phoneme, a series of dots and dashes (as sounds, magnetic pulses, printed or written), a flag or stick held at a certain angle, a gesture, a sign as use in sign language, a pattern or raised indentations (as in brail) etc. in other words the sort of things that are commonly described as the elements of an alphabet. is a typographic character (printed or written) etc. A word-token Word-token A word-token is a pattern of characters.
The pattern of characters A ''This toucan can catch a can'' contains six word-tokens
The pattern of characters D ''He is grnd'' contains three word-tokens
is a pattern of characters. A word-typeWord-type A word-type is an identical pattern of characters, .
The pattern of characters A: ''This toucan can catch a can.'' contains five word-types (the word-token can occurring twice)
is an identical pattern of characters. A meaningful-word-token Meaningful-word-token A meaningful-word-token is a meaningful word-token. ''grnd'' in D ''He is grnd.'' is not meaningful. is a meaningful pattern of characters. Two word-tokens which mean the same are of the same word-meaning Word-meaning Two word-tokens which mean the same are of the same word-meaning. Only those word-tokens which are meaningful-word-tokens can have the same meaning as another word-token. The pattern of characters A: ''This toucan can catch a can.'' contains six word-meanings.
Although it contains only five word-types, the two occurrences of the word-token ''can'' have different meanings.
On the assumption that ''bucket'' and ''pail'' mean the same, the pattern of characters B: ''If you have a bucket, then you have a pail'' contains ten word-tokens, seven word-types, and six word-meanings.
A sentence-token Sentence-token A sentence-token is a pattern of word-tokens.
The pattern of characters D: ''He is grnd'' is a sentence-token because ''grnd'' is a word-token (albeit not a meaningful word-token.)
is a pattern of word-tokens. A meaningful-sentence-token Meaningful-sentence-token A meaningful-sentence-token is a meaningful sentence-token or a meaningful pattern of meaningful-word-tokens.
The pattern of characters D: ''He is grnd'' is not a sentence-token because grnd is not a meaningful word-token.
is a meaningful sentence-token or a meaningful pattern of meaningful-word-tokens. Two sentence-tokens are of the same sentence-type if they are identical patterns of word-tokens characters Sentence-type Two sentence-tokens are of the same sentence-type if they are identical patterns of word-tokens characters, e.g. the sentence-tokens P: ''I'm Spartacus'' and Q: ''I'm Spartacus'' are of the same sentence-type. A declarative-sentence-token is a sentence-token which that can be used to communicate truth or convey information. Declarative-sentence-token A declarative-sentence-token is a sentence-token which that can be used to communicate truth or convey information.
The pattern of characters E: ''Are you happy?'' is not a declarative-sentence-token because it interrogative not declarative.
A meaningful-declarative-sentence-token is a meaningful declarative-sentence-token Meaningful-declarative-sentence-tokens A meaningful-declarative-sentence-token is a meaningful declarative-sentence-token.
The pattern of characters F: ''Cats blows the wind'' is not a meaningful-declarative-sentence-token because it is grammatically ill-formed
The pattern of characters G: ''This stone is thinking about Vienna'' is not a meaningful-declarative-sentence-token because thinking cannot be predicated of a stone
The pattern of characters H: ''This circle is square'' is not a meaningful-declarative-sentence-token because it is internally inconsistent
The pattern of characters D: ''He is grnd'' is not a meaningful-declarative-sentence-token because it contains a word-token (''grnd'') which is not a meaningful-word-token
Two meaningful-declarative-sentence-tokens are of the same meaningful-declarative-sentence-type Meaningful-declarative-sentence-types Two meaningful-declarative-sentence-tokens are of the same meaningful-declarative-sentence-type if they are identical patterns of word-tokens characters, e.g. the sentence-tokens P: ''I'm Spartacus'' and Q: ''I'm Spartacus'' are of the same meaningful-declarative-sentence-type. In other words a sentence-type is a meaningful-declarative-sentence-type if all tokens of which are meaningful-declarative-sentence-tokens if they are identical patterns of word-tokens. A nonsense-declarative-sentence-token Nonsense-declarative-sentence-token A nonsense-declarative-sentence-token is a declarative-sentence-token which is not a meaningful-declarative-sentence-token.
The patterns of characters F: ''Cats blows the wind'', G: ''This stone is thinking about Vienna'' and H: ''This circle is square'' are nonsense-declarative-sentence-tokens because they are declarative-sentence-tokens but not meaningful-declarative-sentence-tokens. The pattern of characters D: ''He is grnd'' is not a nonsense-declarative-sentence-token because it is not a declarative-sentence-token because it contains a word-token (''grnd'') which is not a meaningful-word-token.
is a declarative-sentence-token which is not a meaningful-declarative-sentence-token. A meaningful-declarative-sentence-token-use Meaningful-declarative-sentence-token-use A meaningful-declarative-sentence-token-use occurs when and only when a meaningful-declarative-sentence-token is used declaratively, rather than, say, mentioned.
The pattern of characters T: ''Spartacus did not eat all his spinach in London on Feb 11th 2009'' is a meaningful-declarative-sentence-token but, in all probability, it has never been used declaratively and thus there have been no meaningful-declarative-sentence-token-uses of T. A meaningful-declarative-sentence-token can be used zero to many times. Two meaningful-declarative-sentence-tokens-uses of the same meaningful-declarative-sentence-type are identical if and only if they are identical events in time and space with identical users.
occurs when and only when a meaningful-declarative-sentence-token is used declaratively. A referring-expression Referring-expression An expression that can be used to pick out or refer to particular entity, such as definite descriptions and proper names is expression that can be used to pick out or refer to particular entity. A referential success Referential success a referring-expression’s success in identifying a particular entity OR a meaningful-declarative-sentence-token-use’s containing one or more referring-expression all of which succeed in identifying a particular entity is a referring-expression's success in identifying a particular entity. A referential failure Referential failure a referring-expression’s failure to identify a particular entity is referentially successful OR a meaningful-declarative-sentence-token-use’s containing one or more referring-expression that fail to identify a particular entity. is a referring-expression's failure to identify a particular entity. A referentially-successful-meaningful-declarative-sentence-token-use Referentially-successful-meaningful-declarative-sentence-token-use A meaningful-declarative-sentence-token-use containing no referring-expression that fails to identify a particular entity. A use of a token of the meaningful-declarative-sentence-type U: ''The King of France is bald’' is a referentially-successful-meaningful-declarative-sentence-token-use if (and only if) the embedded referring-expression ‘The King of France’ is referentially successful. No use of a token of the meaningful-declarative-sentence-type V: ''The highest prime has no factors other than itself and 1'' is not a referentially-successful-meaningful-declarative-sentence-token-use since the embedded referring-expression ''The highest prime'' is always a referential failure. is a meaningful-declarative-sentence-token-use containing no referring-expression that fails to identify a particular entity.


Sentences in natural languages

As
Aristotle Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of ...
pointed out, since some sentences are questions, commands, or meaningless, not all can be truth-bearers. If in the proposal "What makes the sentence ''Snow is white'' true is the fact that snow is white" it is assumed that sentences like ''Snow is white'' are truth-bearers, then it would be more clearly stated as "What makes the meaningful-declarative-sentence ''Snow is white'' true is the fact that snow is white". Theory 1a:
All and only meaningful-declarative-sentence-types*Meaningful-declarative-sentence-types Two meaningful-declarative-sentence-tokens are of the same meaningful-declarative-sentence-type if they are identical patterns of word-tokens characters, e.g. the sentence-tokens P and Q above are of the same meaningful-declarative-sentence-type. In other words a sentence-type is a meaningful-declarative-sentence-type if its tokens of are meaningful-declarative-sentence-tokens are truth-bearers
Criticisms of theory 1a Some meaningful-declarative-sentence-types will be both truth and false, contrary to our definition of truth-bearer, for example, (i) in liar-paradox sentences such as "This sentence is false", (see Fisher 2008) (ii) and in time, place, and person-dependent sentences such as "It is noon", "This is London", and "I'm Spartacus". ''Anyone may ..ascribe truth and falsity to the deterministic propositional signs we here call utterances. But if he takes this line, he must, like Leibniz, recognise that truth cannot be an affair solely of actual utterances, since it makes sense to talk of the discovery of previously un-formulated truths.'' (Kneale, W&M (1962)) page 593 Revision to Theory 1a, by making a distinction between type and token. To escape the time, place and person dependent criticism the theory can be revised, making use or the
type–token distinction The type–token distinction is the difference between naming a ''class'' (type) of objects and naming the individual ''instances'' (tokens) of that class. Since each type may be exemplified by multiple tokens, there are generally more tokens than ...
, as follows Theory 1b:
All and only meaningful-declarative-sentence-tokens are truth-bearers
Quine argued that the primary truth-bearers are utterances Utterance: The term ''utterance'' is frequently used to mean ''meaningful-declarative-sentence-token.'' See e.g. Grice, Meaning, 1957 http://semantics.uchicago.edu/kennedy/classes/f09/semprag1/grice57.pdf
Having now recognised in a general way that what are true are sentences, we must turn to certain refinements. What are best seen as primarily true or false are not sentences but events of utterances. If a man utters the words 'It is raining' in the rain, or the words 'I am hungry' while hungry, his verbal performance counts as true. Obviously one utterance of a sentence may be true and another utterance of the same sentence be false.
Source: Quine 1970, page 13 Criticisms of theory 1b (i) Theory 1b prevents sentences which are meaningful-declarative-sentence-types from being truth-bearers. If all meaningful-declarative-sentence-types typographically identical to "The whole is greater than the part" are true then it surely follows that the meaningful-declarative-sentence-type "The whole is greater than the part" is true (just as all meaningful-declarative-sentence-tokens typographically identical to "The whole is greater than the part" are English entails the meaningful-declarative-sentence-types "The whole is greater than the part" is English) (ii) Some meaningful-declarative-sentences-tokens will be both truth and false, or neither, contrary to our definition of truth-bearer. E.g. A token, t, of the meaningful-declarative-sentence-type ‘P: I'm Spartacus’, written on a placard. The token t would be true when used by Spartacus, false when used by Bertrand Russell, neither true nor false when mentioned by Spartacus or when being neither used nor mentioned. Theory 1b.1
All meaningful-declarative-sentence-token-uses are truth-bearers; some meaningful-declarative-sentence-types are truth-bearers
To allow that at least some meaningful-declarative-sentence-types can be truth-bearers, Quine allowed so-called "eternal sentences"Eternal Sentence: A sentence that stays forever true, or forever false, independently of any special circumstances under which they happen to be uttered or written. More exactly, a meaningful-declarative-sentence-type whose tokens have the same truth values. E.g. ''The whole is greater than the part'' is an eternal sentence, ''It is raining'' is not an eternal sentence but ''It rains in Boston, Mass., on July 15, 1968'' is an eternal sentence to be truth-bearers.
In Peirces's terminology, utterances and inscriptions are ''tokens'' of the sentence or other linguistic expression concerned; and this linguistic expression is the ''type'' of those utterances and inscriptions. In Frege's terminology, truth and falsity are the two ''truth values''. Succinctly then, an eternal sentence is a sentence whose tokens have the same truth values.... What are best regarded as true and false are not propositions but sentence tokens, or sentences if they are eternal
Quine 1970 pages 13–14 Theory 1c
All and only meaningful-declarative-sentence-token-uses are truth-bearers
Arguments for theory 1c By respecting the use–mention distinction, Theory 1c avoids criticism (ii) of Theory 1b. Criticisms of theory 1c (i) Theory 1c does not avoid criticism (i) of Theory 1b. (ii) meaningful-declarative-sentence-token-uses are events (located in particular positions in time and space) and entail a user. This implies that (a) nothing (no truth-bearer) exists and hence nothing (no truth-bearer) is true (or false) anytime anywhere (b) nothing (no truth-bearer) exists and hence nothing (no truth-bearer) is true (or false) in the absence of a user. This implies that (a) nothing was true before the evolution of users capable of using meaningful-declarative-sentence-tokens and (b) nothing is true (or false) except when being used (asserted) by a user. Intuitively the truth (or falsity) of ‘The tree continues to be in the quad’ continues in the absence of an agent to asset it. Referential Failure A problem of some antiquity is the status of sentences such as U: The King of France is bald V: The highest prime has no factors W: Pegasus did not exist Such sentences purport to refer to entitles which do not exist (or do not always exist). They are said to suffer from referential failure. We are obliged to choose either (a) That they are not truth-bearers and consequently neither true nor false or (b) That they are truth-bearers and per se are either true or false. Theory 1d
All and only referentially-successful-meaningful-declarative-sentence-token-uses are truth-bearers.
Theory 1d takes option (a) above by declaring that meaningful-declarative-sentence-token-uses that fail referentially are not truth-bearers. Theory 1e
All referentially-successful-meaningful-declarative-sentence-token-uses are truth-bearers; some meaningful-declarative-sentence-types are truth-bearers
Arguments for theory 1e Theory 1e has the same advantages as Theory 1d. Theory 1e allows for the existence of truth-bearers (i.e., meaningful-declarative-sentence-types) in the absence of users and between uses. If for any x, where x is a use of a referentially successful token of a meaningful-declarative-sentence-type y x is a truth-bearer then y is a truth-bearer otherwise y is not a truth bearer. E.g. If all uses of all referentially successful tokens of the meaningful-declarative-sentence-type ‘The whole is greater than the part’ are truth-bearers (i.e. true or false) then the meaningful-declarative-sentence-type ‘The whole is greater than the part’ is a truth-bearer. If some but not all uses of some referentially successful tokens of the meaningful-declarative-sentence-type ‘I am Spartacus’ are true then the meaningful-declarative-sentence-type ‘I am Spartacus’ is not a truth-bearer. Criticisms of theory 1e Theory 1e makes implicit use of the concept of an agent or user capable of using (i.e. asserting) a referentially-successful-meaningful-declarative-sentence-token. Although Theory 1e does not depend on the actual existence (now, in the past or in the future) of such users, it does depend on the possibility and cogency of their existence. Consequently, the concept of truth-bearer under Theory 1e is dependent upon giving an account of the concept of a ‘user’. In so far as referentially-successful-meaningful-declarative-sentence-tokens are particulars (locatable in time and space) the definition of truth-bearer just in terms of referentially-successful-meaningful-declarative-sentence is attractive to those who are (or would like to be) nominalists. The introduction of ‘use’ and ‘users’ threatens the introduction of intentions, attitudes, minds &c. as less-than welcome ontological baggage.


Sentences in languages of classical logic

In
classical logic Classical logic (or standard logic or Frege-Russell logic) is the intensively studied and most widely used class of deductive logic. Classical logic has had much influence on analytic philosophy. Characteristics Each logical system in this class ...
a sentence in a language is true or false under (and only under) an
interpretation Interpretation may refer to: Culture * Aesthetic interpretation, an explanation of the meaning of a work of art * Allegorical interpretation, an approach that assumes a text should not be interpreted literally * Dramatic Interpretation, an event ...
and is therefore a truth-bearer. For example, a language in the
first-order predicate calculus First-order logic—also known as predicate logic, quantificational logic, and first-order predicate calculus—is a collection of formal systems used in mathematics, philosophy, linguistics, and computer science. First-order logic uses quan ...
might include one or more predicate symbols and one or more individual constants and one or more variables. The interpretation of such a language would define a domain (universe of discourse); assign an element of the domain to each individual constant; assign the denotation in the domain of some property to each unary (one-place) predicate symbol. For example, if a language L consisted in the individual constant ''a'', two unary predicate letters ''F'' and ''G'' and the variable ''x'', then an interpretation I of L might define the Domain D as animals, assign Socrates to ''a'', the denotation of the property being a man to ''F'', and the denotation of the property being mortal to ''G''. Under the interpretation I of L, ''Fa'' would be true
if, and only if In logic and related fields such as mathematics and philosophy, "if and only if" (shortened as "iff") is a biconditional logical connective between statements, where either both statements are true or both are false. The connective is bicon ...
Socrates is a man, and the sentence ''x(Fx Gx)'' would be true if, and only if all men (in the domain) are mortal. In some texts an interpretation is said to give "meaning" to the symbols of the language. Since ''Fa'' has the value true under some (but not all) interpretations, it is not the sentence-type ''Fa'' which is said to be true but only some sentence-tokens of ''Fa'' under particular interpretations. A token of ''Fa'' without an interpretation is neither true nor false. Some sentences of a language like L are said to be true under all interpretations of the sentence, e.g. ''x(Fx Fx),'' such sentences are termed
logical truth Logical truth is one of the most fundamental concepts in logic. Broadly speaking, a logical truth is a statement which is true regardless of the truth or falsity of its constituent propositions. In other words, a logical truth is a statement whic ...
s, but again such sentences are neither true nor false in the absence of an interpretation.


Propositions

A number of authors use the term
proposition In logic and linguistics, a proposition is the meaning of a declarative sentence. In philosophy, " meaning" is understood to be a non-linguistic entity which is shared by all sentences with the same meaning. Equivalently, a proposition is the no ...
as truth-bearers. There is no single definition or usage. Sometimes it is used to mean a ''meaningful declarative sentence'' itself; sometimes it is used to mean the meaning of a meaningful declarative sentence. This provides two possible definitions for the purposes of discussion as below Theory 2a:
All and only meaningful-declarative-sentences are propositions
Theory 2b:
A meaningful-declarative-sentence-token expresses a proposition; two meaningful-declarative-sentence-tokens which have the same meaning express the same proposition; two meaningful-declarative-sentence-tokens with different meanings express different propositions.
(cf Wolfram 1989, p. 21) ''Proposition'' is not always used in one or other of these ways. Criticisms of theory 2a. * If all and only meaningful-declarative-sentences are propositions, as advanced by Theory 2a, then the terms are synonymous and we can just as well speak of the meaningful-declarative-sentences themselves as the trutbearers - there is no distinct concept of proposition to consider, and the term ''proposition'' is literally redundant. Criticisms of Theory 2b * Theory 2b entails that if all meaningful-declarative-sentence-tokens typographically identical to say, "I am Spartacus" have the same meaning then they (i) express the same proposition (ii) that proposition is both true and false, contrary to the definition of truth-bearer. * The concept of a proposition in this theory rests upon the concept of meaning as applied to meaningful-declarative-sentences, in a word synonymy among meaningful-declarative-sentence s. Quine 1970 argues that the concept of synonymy among meaningful-declarative-sentences cannot be sustained or made clear, consequently the concepts of "propositions" and "meanings of sentences" are, in effect, vacuous and superfluousSee als
Internet Encyclopedia of Philosophy
"Propositions are abstract entities; they do not exist in space and time. They are sometimes said to be “timeless”, “eternal”, or “omnitemporal” entities. Terminology aside, the essential point is that propositions are not concrete (or material) objects. Nor, for that matter, are they mental entities; they are not “thoughts” as Frege had suggested in the nineteenth century. The theory that propositions are the bearers of truth-values also has been criticized. Nominalists object to the abstract character of propositions. Another complaint is that it’s not sufficiently clear when we have a case of the same propositions as opposed to similar propositions. This is much like the complaint that we can’t determine when two sentences have exactly the same meaning. The relationship between sentences and propositions is a serious philosophical problem."


Statements

Many authors consider ''
statements Statement or statements may refer to: Common uses *Statement (computer science), the smallest standalone element of an imperative programming language *Statement (logic), declarative sentence that is either true or false *Statement, a declarative ...
'' as truth-bearers, though as with the term "proposition" there is divergence in definition and usage of that term. Sometimes 'statements' are taken to be meaningful-declarative-sentences; sometimes they are thought to be what is asserted by a meaningful-declarative-sentence. It is not always clear in which sense the word is used. This provides two possible definitions for the purposes of discussion as below. A particular concept of a statement was introduced by Strawson in the 1950s., reprinted in Strawson 1971 and elsewhere reprinted in Consider the following: *I: The author of Waverley is dead *J: The author of
Ivanhoe ''Ivanhoe: A Romance'' () by Walter Scott is a historical novel published in three volumes, in 1819, as one of the Waverley novels. Set in England in the Middle Ages, this novel marked a shift away from Scott’s prior practice of setting ...
is dead *K: I am less than six feet tall *L: I am over six feet tall *M: The conductor is a bachelor *N: The conductor is married On the assumption that the same person wrote Waverley and Ivanhoe, the two distinct patterns of characters (meaningful-declarative-sentences) I and J make the same statement but express different propositions.
The pairs of meaningful-declarative-sentences (K, L) & (M, N) have different meanings, but they are not necessarily contradictory, since K & L may have been asserted by different people, and M & N may have been asserted about different conductors. ''What these examples show is that we cannot identify that which is true or false (the statement) with the sentence used in making it; for the same sentence may be used to make different statements, some of them true and some of them false.'' (Strawson, P.F. (1952) ) This suggests: * Two meaningful-declarative-sentence-tokens which say the same thing of the same object(s) make the same statement. Theory 3a
All and only statements are meaningful-declarative-sentences.
Theory 3b
All and only meaningful-declarative-sentences can be used to make statements
''Statement'' is not always used in one or other of these ways. Arguments for theory 3a * "All and only statements are meaningful-declarative-sentences." is either a stipulative definition or a descriptive definition. If the former, the stipulation is useful or it is not; if the latter, either the descriptive definition correctly describes English usage or it does not. In either case no arguments, as such, are applicable Criticisms of theory 3a * If the term ''statement'' is synonymous with the term ''meaningful-declarative-sentence'', then the applicable criticisms are the same as those outlined under sentence below * If all and only meaningful-declarative-sentences are statements, as advanced by Theory 3a, then the terms are synonymous and we can just as well speak of the meaningful-declarative-sentences themselves as the truth-bearers – there is no distinct concept of statement to consider, and the term ''statement'' is literally redundant.


Thoughts

Frege Friedrich Ludwig Gottlob Frege (; ; 8 November 1848 – 26 July 1925) was a German philosopher, logician, and mathematician. He was a mathematics professor at the University of Jena, and is understood by many to be the father of analytic p ...
(1919) argued that an indicative sentence in which we communicate or state something, contains both a thought and an assertion, it expresses the thought, and the thought is the sense of the sentence.Frege G. (1919). ''Die Gedanke'', trans. AM and Marcelle Quinton in reprinted in Strawson 1967.


See also

* Truth-apt * William Kneale * Truthmaker Realism ** Barry Smith


Notes


References


External links

* ''
Stanford Encyclopedia of Philosophy The ''Stanford Encyclopedia of Philosophy'' (''SEP'') combines an online encyclopedia of philosophy with peer-reviewed publication of original papers in philosophy, freely accessible to Internet users. It is maintained by Stanford University. E ...
'': *
Truth
''2.1 Sentences as truth-bearers''; Glanzberg, Michael *
The Correspondence Theory of Truth
''2. Truthbearers and Truthmakers''; David, Marian {{philosophy of language Logic Philosophy of language Philosophical logic Propositions Bearer