Metamath Proof Explorer
Description: Add join to both sides of a Hilbert lattice ordering. (Contributed by NM, 19-Oct-1999) (New usage is discouraged.)
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Ref |
Expression |
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Hypotheses |
ch0le.1 |
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chjcl.2 |
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chlub.1 |
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Assertion |
chlej2i |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
ch0le.1 |
|
2 |
|
chjcl.2 |
|
3 |
|
chlub.1 |
|
4 |
1
|
chshii |
|
5 |
2
|
chshii |
|
6 |
3
|
chshii |
|
7 |
4 5 6
|
shlej2i |
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