This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Metamath Proof Explorer
Description: Upper bound property of supremum. (Contributed by Jeff Madsen, 2-Sep-2009)
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Ref |
Expression |
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Assertion |
supubt |
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Proof
| Step |
Hyp |
Ref |
Expression |
| 1 |
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simpl |
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| 2 |
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simpr |
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| 3 |
1 2
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supub |
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