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