Description: Definition of the relation x is homeomorphic to y . (Contributed by FL, 14-Feb-2007)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-hmph | |- ~= = ( `' Homeo " ( _V \ 1o ) ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 0 | chmph | |- ~= | |
| 1 | chmeo | |- Homeo | |
| 2 | 1 | ccnv | |- `' Homeo | 
| 3 | cvv | |- _V | |
| 4 | c1o | |- 1o | |
| 5 | 3 4 | cdif | |- ( _V \ 1o ) | 
| 6 | 2 5 | cima | |- ( `' Homeo " ( _V \ 1o ) ) | 
| 7 | 0 6 | wceq | |- ~= = ( `' Homeo " ( _V \ 1o ) ) |