FORALL_NOT_CONV : conv
STRUCTURE
Conv
SYNOPSIS
Moves a universal quantification inwards through a negation.
DESCRIPTION
When applied to a term of the form !x.~P, the conversion FORALL_NOT_CONV returns the theorem: 
   |- (!x.~P) = ~(?x. P)

FAILURE
Fails if applied to a term not of the form !x.~P.
SEEALSO
EXISTS_NOT_CONV, NOT_EXISTS_CONV, NOT_FORALL_CONV
HOL  Kananaskis-14