SWAP_PEXISTS_CONV : conv
STRUCTURE
LIBRARY
pair
SYNOPSIS
Interchanges the order of two existentially quantified pairs.
DESCRIPTION
When applied to a term argument of the form ?p q. t, the conversion SWAP_PEXISTS_CONV returns the theorem:
   |- (?p q. t) = (?q t. t)

FAILURE
SWAP_PEXISTS_CONV fails if applied to a term that is not of the form ?p q. t.
SEEALSO
HOL  Trindemossen-1