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MultChopImpCS
⊢
f
1
⊃
g, …,
⊢
f
n
⊃
g
⇒ ⊢
(
f
1
;
…
;
f
n
)
⊃
g
∗
MultChopImpCS
Proof:
1
⊢
f
i
⊃
g,
for
1
≤
i
≤
n
given
2
⊢
f
1
;
…
;
f
n
⊃
g
;
…
;
g
1
,
MultChopImpChop
3
⊢
g
;
…
;
g
⊃
g
∗
ChopGroupImpCS
4
⊢
f
1
;
…
;
f
n
⊃
g
∗
2
,
3
,
ImpChain
qed
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2024-08-03
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