(15steps)
PrintForm
Definitions
core
3
jlc
Sections
Support(jlc)
Doc
At:
demorgan2
1
1
8
1
1.
P:
Prop
2.
Q:
Prop
3.
P
4.
Q
5.
P
Q
6.
P
7.
Q
False
By:
RenameVar `x' -1
THEN
Witness4 x
Generated subgoals:
None
About:
(15steps)
PrintForm
Definitions
core
3
jlc
Sections
Support(jlc)
Doc