NOT_PFORALL_CONV
PairRules.NOT_PFORALL_CONV : conv
Moves negation inwards through a paired universal quantification.
When applied to a term of the form ~(!p. t), the conversion
NOT_PFORALL_CONV returns the theorem:
|- ~(!p. t) = (?p. ~t)
It is irrelevant whether any variables in p occur free in t.
Failure
Fails if applied to a term not of the form ~(!p. t).
See also
Conv.NOT_FORALL_CONV,
PairRules.PEXISTS_NOT_CONV,
PairRules.PFORALL_NOT_CONV,
PairRules.NOT_PEXISTS_CONV