Subverted support is a

logical fallacy In logic and philosophy, a formal fallacy is a pattern of reasoning rendered invalid by a flaw in its logical structure. Propositional logic, for example, is concerned with the meanings of sentences and the relationships between them. It focuses ...

of explanation which attempts to explain something that does not happen.

Logical Form

''X'' happens because of ''Y'' (when ''X'' does not actually happen or exist)

Exception

The fallacy is true if a preceding statement claims that whatever follows is true.

References

Informal fallacies {{Fallacies