Metamath Proof Explorer


Theorem eldisjsim4

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 )

Proof

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 )