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Definitions
sat
lemmas
Sections
ClassicalProps(jlc)
Doc
At:
formula
not
falsifiable
lemma
1
1
1
1
1
1.
F:
Formula
2.
a:
Assignment
3.
x:
4.
(F under a) = x
5.
(F under a) = 3
x = 3
By:
HypSubst -2 -1
Generated subgoal:
1
5.
x = 3
x = 3
About:
(F under a) = 3
x = 3
