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ChopPlusEqvChopPlus
⊢
f
≡
g
⇒ ⊢
f
+
≡
g
+
ChopPlusEqvChopPlus
Proof:
1
⊢
f
≡
g
given
2
⊢
f
⊃
g
1
,
Prop
3
⊢
f
+
⊃
g
+
2
,
ChopPlusImpChopPlus
4
⊢
g
⊃
f
1
,
Prop
5
⊢
g
+
⊃
f
+
4
,
ChopPlusImpChopPlus
6
⊢
f
+
≡
g
+
3
,
5
,
Prop
qed
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2024-08-03
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