anmp>
Theorem.
Arguments:
(pr),
(pr),
(pr),
Hypotheses:
((
)
)
Assertions:
(
)
Proof:
Hyp
Ref
Line
Expr
Hypo
1
((
)
)
2
1
exp
3
(
(
))
3
com12i
4
(
(
))
2, 4
ax-mp
5
(
)