FORALL_NOT_CONVConv.FORALL_NOT_CONV : conv
Moves a universal quantification inwards through a negation.
When applied to a term of the form !x.~P, the conversion
FORALL_NOT_CONV returns the theorem:
|- (!x.~P) = ~(?x. P)
Fails if applied to a term not of the form !x.~P.
Conv.EXISTS_NOT_CONV,
Conv.NOT_EXISTS_CONV,
Conv.NOT_FORALL_CONV