X2118 : %THEOREM%

X2118 is a theorem.
Exercise:
FORALL x(I) [p(O) AND Q(OI) x OR ~p AND R(OI) x] IMPLIES FORALL x Q x OR FORALL x R x
You may not use ADVICE, but all other rules and commands are allowed.
Only book theorems may be ASSERTed as lemmas without proof.
For a complete list of book theorems, type PROBLEMS.
No more help available. Sorry.

TPS documentation homepage


© 1988-99, Carnegie Mellon University.

TPS homepage