ax9alt
Theorem.
Arguments:
(sv),
(st),
(pr),
Distinct variable conditions:
(
,
),
Assertions:
(
((
)
)
)
Proof:
Hyp
Ref
Line
Expr
ax9
1
(
)
df-ex
2
(
(
)
(
))
1, 2
bmp<
3
(
)
im.bldext
4
(
((
)
)
(
(
)
))
3, 4
mpi
5
(
((
)
)
)
ax6e
6
(
)
5, 6
syl
7
(
((
)
)
)