Metamath Proof Explorer
Description: A Hilbert lattice element commutes with its join. (Contributed by NM, 7-Aug-2004) (New usage is discouraged.)
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Ref |
Expression |
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Hypotheses |
pjoml2.1 |
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pjoml2.2 |
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Assertion |
cmj2i |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
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pjoml2.1 |
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2 |
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pjoml2.2 |
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3 |
1 2
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chjcli |
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4 |
2 1
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chub2i |
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5 |
2 3 4
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lecmii |
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