SWAP_PFORALL_CONVPairRules.SWAP_PFORALL_CONV : conv
Interchanges the order of two universally quantified pairs.
When applied to a term argument of the form !p q. t, the
conversion SWAP_PFORALL_CONV returns the theorem:
|- (!p q. t) = (!q p. t)
SWAP_PFORALL_CONV fails if applied to a term that is not
of the form !p q. t.