PrintForm
Definitions
core
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
iff
symmetry
A
,
B
:Prop. (
A
B
)
(
B
A
)
By:
GenUnivCD THEN HypBackchain
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
PrintForm
Definitions
core
StandardLIB
Doc
A,B:Prop. (A 
B) (B A) A,B:Prop. (A B) (B A)
