LEMMA : IRULEDEF

LEMMA is an intermediate rule definition.
(P1) H1 !A(O)
*(P2) H2 !B(O)
Transformation: (P2 ss) ==> (P2 P1 ss) (P1 ss)

TPS documentation homepage


LEMMA : MEXPR

LEMMA is a top-level command.
Introduce a Lemma.
The command format for LEMMA is:

 <n>LEMMA   P2   P1    A    B     P2-HYPS    P1-HYPS 
"LINE" "LINE" "GWFF" "GWFF" "LINELIST" "LINELIST"


The arguments have the following meaning:
P2 : Line to be Proven Using Lemma
P1 : Line with Lemma
A : Assertion of Lemma
B : Assertion of Line to be Proven
P2-HYPS : Hypotheses
P1-HYPS : Hypotheses

TPS documentation homepage


LEMMA : SRULE

LEMMA is an inference rule.
Its priority is 9

TPS documentation homepage


© 1988-99, Carnegie Mellon University.

TPS homepage