Metamath Proof Explorer
Description: Cancellation law for surreal addition. (Contributed by Scott Fenton, 5-Feb-2025)
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Ref |
Expression |
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Hypotheses |
addscand.1 |
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addscand.2 |
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addscand.3 |
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Assertion |
addscan1d |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
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addscand.1 |
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2 |
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addscand.2 |
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3 |
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addscand.3 |
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4 |
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addscan1 |
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5 |
1 2 3 4
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syl3anc |
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