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LeftChopEqvChop
⊢
f
≡
f
1
⇒ ⊢
f
;
g
≡
f
1
;
g
LeftChopEqvChop
Proof:
1
⊢
f
≡
f
1
given
2
⊢
f
⊃
f
1
1
,
Prop
3
⊢
f
;
g
⊃
f
1
;
g
2
,
LeftChopImpChop
4
⊢
f
1
⊃
f
1
,
Prop
5
⊢
f
1
;
g
⊃
f
;
g
4
,
LeftChopImpChop
6
⊢
f
;
g
≡
f
1
;
g
3
,
5
,
Prop
qed
Here is a corollary for the operator
:
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2023-09-12
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