Description: Disjs implies element-disjoint range of QMap . Same as eldisjsim3 but expressed using the block-map range ran QMap R (often the more modular expression). (Contributed by Peter Mazsa, 15-Feb-2026)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | eldisjsim4 | |- ( R e. Disjs -> ran QMap R e. ElDisjs ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rnqmap | |- ran QMap R = ( dom R /. R ) |
|
| 2 | eldisjsim3 | |- ( R e. Disjs -> ( dom R /. R ) e. ElDisjs ) |
|
| 3 | 1 2 | eqeltrid | |- ( R e. Disjs -> ran QMap R e. ElDisjs ) |