- Fixed bug in mk_split_pack which caused application of expansion theorem
to fail because of typing reasons
- Rewrote inst_lift and inst_split: now cterm_instantiate is used to
instantiate theorems
Prod = FOL +
types "*" 2 (infixl 20)
arities "*" :: (term,term)term
consts fst :: "'a * 'b => 'a"
snd :: "'a * 'b => 'b"
Pair :: "['a,'b] => 'a * 'b" ("(1<_,/_>)")
rules fst "fst(<a,b>) = a"
snd "snd(<a,b>) = b"
end