| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > funrel | Structured version Visualization version GIF version | ||
| Description: A function is a relation. (Contributed by NM, 1-Aug-1994.) |
| Ref | Expression |
|---|---|
| funrel | ⊢ (Fun 𝐴 → Rel 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-fun 6494 | . 2 ⊢ (Fun 𝐴 ↔ (Rel 𝐴 ∧ (𝐴 ∘ ◡𝐴) ⊆ I )) | |
| 2 | 1 | simplbi 496 | 1 ⊢ (Fun 𝐴 → Rel 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ⊆ wss 3890 I cid 5518 ◡ccnv 5623 ∘ ccom 5628 Rel wrel 5629 Fun wfun 6486 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-fun 6494 |
| This theorem is referenced by: 0nelfun 6510 funeu 6517 nfunv 6525 funopg 6526 funssres 6536 funun 6538 fununfun 6540 fununi 6567 funcnvres2 6572 fnrel 6594 fcoi1 6708 f1orel 6777 funbrfv 6882 funbrfv2b 6891 funfv2 6922 funfvbrb 6997 fimacnvinrn 7017 fvn0ssdmfun 7020 funopsn 7095 funresdfunsn 7137 funexw 7898 funfv1st2nd 7992 funelss 7993 funeldmdif 7994 frrlem6 8234 tfrlem6 8314 tfr2b 8328 pmresg 8811 fundmen 8971 resfifsupp 9303 rankwflemb 9708 gruima 10716 structcnvcnv 17114 inviso1 17724 setciso 18049 rngciso 20606 ringciso 20640 nolt02o 27673 nogt01o 27674 nosupbnd1 27692 nosupbnd2lem1 27693 nosupbnd2 27694 noinfbnd1 27707 noinfbnd2lem1 27708 noinfbnd2 27709 noetasuplem2 27712 noetasuplem3 27713 noetasuplem4 27714 noetainflem2 27716 edg0iedg0 29138 edg0usgr 29336 usgr1v0edg 29340 fgreu 32759 fressupp 32776 gsumhashmul 33143 cycpmconjvlem 33217 cycpmconjslem2 33231 bnj1379 34988 funen1cnv 35247 fundmpss 35965 funsseq 35966 imageval 36126 imagesset 36151 cocnv 38060 frege124d 44206 frege129d 44208 frege133d 44210 funbrafv 47618 funbrafv2b 47619 funbrafv2 47707 isubgrvtxuhgr 48352 rngcisoALTV 48765 ringcisoALTV 48799 ackvalsuc0val 49175 |
| Copyright terms: Public domain | W3C validator |