Metamath Proof Explorer
Description: Negative of both sides of surreal less-than. (Contributed by Scott
Fenton, 14-Mar-2025)
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Ref |
Expression |
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Hypotheses |
sltnegd.1 |
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sltnegd.2 |
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Assertion |
sltnegd |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
sltnegd.1 |
|
2 |
|
sltnegd.2 |
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3 |
|
sltneg |
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4 |
1 2 3
|
syl2anc |
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