Metamath Proof Explorer
Description: Orthocomplement projection in terms of projection. (Contributed by NM, 31-Oct-1999) (New usage is discouraged.)
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|
Ref |
Expression |
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Hypotheses |
pjop.1 |
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|
pjop.2 |
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Assertion |
pjopi |
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Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
pjop.1 |
|
2 |
|
pjop.2 |
|
3 |
|
pjop |
|
4 |
1 2 3
|
mp2an |
|