Metamath Proof Explorer
Description: An element of a left-closed right-open interval is less than its upper
bound. (Contributed by Glauco Siliprandi, 26-Jun-2021)
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Ref |
Expression |
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Hypotheses |
icoltubd.1 |
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icoltubd.2 |
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icoltubd.3 |
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Assertion |
icoltubd |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
icoltubd.1 |
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2 |
|
icoltubd.2 |
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3 |
|
icoltubd.3 |
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4 |
|
icoltub |
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5 |
1 2 3 4
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syl3anc |
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