PEXISTS_OR_CONV
PairRules.PEXISTS_OR_CONV : conv
Moves a paired existential quantification inwards through a disjunction.
When applied to a term of the form ?p. t \/ u, the conversion
PEXISTS_OR_CONV returns the theorem:
|- (?p. t \/ u) = (?p. t) \/ (?p. u)
Failure
Fails if applied to a term not of the form ?p. t \/ u.
See also
Conv.EXISTS_OR_CONV,
PairRules.OR_PEXISTS_CONV,
PairRules.LEFT_OR_PEXISTS_CONV,
PairRules.RIGHT_OR_PEXISTS_CONV