Description: One of the equations showing CH is an ortholattice. (This corresponds to axiom "ax-1" in the Quantum Logic Explorer.) (Contributed by NM, 4-Aug-2004) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | qlax1.1 | |- A e. CH |
|
| Assertion | qlax1i | |- A = ( _|_ ` ( _|_ ` A ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | qlax1.1 | |- A e. CH |
|
| 2 | 1 | ococi | |- ( _|_ ` ( _|_ ` A ) ) = A |
| 3 | 2 | eqcomi | |- A = ( _|_ ` ( _|_ ` A ) ) |