---------------------------------------------------------------------- LEFT_AND_FORALL_CONV (Conv) ---------------------------------------------------------------------- LEFT_AND_FORALL_CONV : conv SYNOPSIS Moves a universal quantification of the left conjunct outwards through a conjunction. KEYWORDS conversion, quantifier, universal, conjunction. DESCRIBE When applied to a term of the form {(!x.P) /\ Q}, the conversion {LEFT_AND_FORALL_CONV} returns the theorem: |- (!x.P) /\ Q = (!x'. P[x'/x] /\ Q) where {x'} is a primed variant of {x} that does not appear free in the input term. FAILURE Fails if applied to a term not of the form {(!x.P) /\ Q}. SEEALSO Conv.AND_FORALL_CONV, Conv.FORALL_AND_CONV, Conv.RIGHT_AND_FORALL_CONV. ----------------------------------------------------------------------