philosophy Philosophy ('love of wisdom' in Ancient Greek) is a systematic study of general and fundamental questions concerning topics like existence, reason, knowledge, Value (ethics and social sciences), value, mind, and language. It is a rational an ...

and

logic Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical truths. It examines how conclusions follow from premises based on the structure o ...

, accidental necessity, often stated in its

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

form, ''necessitas per accidens'', refers to the necessity attributed to the past by certain views of time. It is a controversial concept: its supporters argue that it has intuitive validity while others contest it creates a contradiction in terms by positing such a thing as a "contingent necessity." It is especially important in contemporary discussions of logical and theological

fatalism Fatalism is a belief and philosophical doctrine which considers the entire universe as a deterministic system and stresses the subjugation of all events, actions, and behaviors to fate or destiny, which is commonly associated with the cons ...

References

*http://plato.stanford.edu/entries/free-will-foreknowledge/ Necessity Concepts in metaphysics Modal metaphysics {{Philosophy-stub