alrot4
Theorem.
Arguments:
(sv),
(sv),
(sv),
(sv),
(pr),
Assertions:
(
)
Proof:
Hyp
Ref
Line
Expr
alcom
1
(
)
alcom
2
(
)
2
eqt-∀-i
3
(
)
1, 3
bitr
4
(
)
4
eqt-∀-i
5
(
)
alcom
6
(
)
alcom
7
(
)
7
eqt-∀-i
8
(
)
5, 6, 8
2bitr
9
(
)