Step of Proof: iff_symmetry
9,38
postcript
pdf
Inference at
*
I
of proof for Lemma
iff
symmetry
:
A
,
B
:
. (
A
B
)
(
B
A
)
latex
by ((((GenUnivCD)
CollapseTHENM (HypBackchain))
)
CollapseTHEN ((Auto_aux (first_nat 1:n
C
) ((first_nat 1:n),(first_nat 3:n)) (first_tok :t) inil_term)))
latex
C
.
Definitions
t
T
,
P
Q
,
P
Q
,
P
Q
,
P
Q
,
,
x
:
A
.
B
(
x
)
Lemmas
iff
wf
origin