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Mirrors > Home > ILE Home > Th. List > fnrel | Unicode version |
Description: A function with domain is a relation. (Contributed by NM, 1-Aug-1994.) |
Ref | Expression |
---|---|
fnrel |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnfun 5016 | . 2 | |
2 | funrel 4939 | . 2 | |
3 | 1, 2 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wrel 4368 wfun 4916 wfn 4917 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 |
This theorem depends on definitions: df-bi 115 df-fun 4924 df-fn 4925 |
This theorem is referenced by: fnbr 5021 fnresdm 5028 fn0 5038 frel 5069 fcoi2 5091 f1rel 5115 f1ocnv 5159 dffn5im 5240 fnex 5404 fnexALT 5760 |
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