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| Mirrors > Home > ILE Home > Th. List > foelrn | Unicode version | ||
| Description: Property of a surjective function. (Contributed by Jeff Madsen, 4-Jan-2011.) (Proof shortened by BJ, 6-Jul-2022.) |
| Ref | Expression |
|---|---|
| foelrn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | foima2 5915 |
. 2
| |
| 2 | 1 | biimpa 296 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4221 ax-pow 4279 ax-pr 4314 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2814 df-sbc 3042 df-un 3214 df-in 3216 df-ss 3223 df-pw 3667 df-sn 3688 df-pr 3689 df-op 3691 df-uni 3908 df-br 4103 df-opab 4165 df-id 4405 df-xp 4746 df-rel 4747 df-cnv 4748 df-co 4749 df-dm 4750 df-rn 4751 df-res 4752 df-ima 4753 df-iota 5303 df-fun 5345 df-fn 5346 df-f 5347 df-fo 5349 df-fv 5351 |
| This theorem is referenced by: foco2 5917 ctmlemr 7390 ctm 7391 ctssdclemn0 7392 ctssdccl 7393 ctssdc 7395 enumctlemm 7396 fodju0 7429 exmidfodomrlemr 7496 exmidfodomrlemrALT 7497 ennnfonelemrn 13144 ctinf 13155 ctiunctlemfo 13164 znidom 14777 znrrg 14780 subctctexmid 16744 pw1nct 16747 |
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