∃1→∃mo-0
Theorem.
Arguments:
(sv),
(sv),
(pr),
Distinct variable conditions:
(
,
),
Hypotheses:
(
bound in
)
Assertions:
(
(
(
)))
Proof:
Hyp
Ref
Line
Expr
Hypo
1
(
bound in
)
1
df-∃1-alt
2
(
(
(
)))
bi>
3
((
(
))
(
(
)))
3
im.bldal
4
(
(
(
))
(
(
)))
4
im.bldex
5
(
(
(
))
(
(
)))
2, 5
brpi21
6
(
(
(
)))