anc2>
Theorem.
Arguments:
(pr),
(pr),
(pr),
Assertions:
((
(
))
(
(
(
))))
Proof:
Hyp
Ref
Line
Expr
<and
1
(
(
(
)))
1
syl<
2
(
((
)
(
(
))))
2
ax2
3
((
(
))
(
(
(
))))