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BaAndCSImport
⊢
f
∧
g
∗
⊃
(
f
∧
g
)
∗
BaAndCSImport
Proof:
1
⊢
f
⊃
(
g
⊃
f
∧
g
)
Prop
2
⊢
f
⊃
(
g
⊃
f
∧
g
)
1
,
BaImpBa
3
⊢
(
g
⊃
f
∧
g
)
⊃
g
∗
⊃
(
f
∧
g
)
∗
BaCSImpCS
4
⊢
f
∧
g
∗
⊃
(
f
∧
g
)
∗
2
,
3
,
Prop
qed
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2023-09-12
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