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AndCSA
⊢
(
f
∧
g
)
∗
⊃
f
∗
AndCSA
Proof:
1
⊢
f
∧
g
⊃
f
Prop
2
⊢
(
f
∧
g
)
∗
⊃
f
∗
1
,
CSImpCS
qed
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2023-09-12
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