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| Mirrors > Home > ILE Home > Th. List > fof | Unicode version | ||
| Description: An onto mapping is a mapping. (Contributed by NM, 3-Aug-1994.) |
| Ref | Expression |
|---|---|
| fof |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqimss 3279 |
. . 3
| |
| 2 | 1 | anim2i 342 |
. 2
|
| 3 | df-fo 5330 |
. 2
| |
| 4 | df-f 5328 |
. 2
| |
| 5 | 2, 3, 4 | 3imtr4i 201 |
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-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3204 df-ss 3211 df-f 5328 df-fo 5330 |
| This theorem is referenced by: fofun 5557 fofn 5558 dffo2 5560 foima 5561 resdif 5602 ffoss 5612 fconstfvm 5867 cocan2 5924 foeqcnvco 5926 focdmex 6272 algrflem 6389 algrflemg 6390 tposf2 6429 mapsn 6854 ssdomg 6947 fopwdom 7017 fidcenumlemrks 7143 fidcenumlemr 7145 ctmlemr 7298 ctm 7299 ctssdclemn0 7300 ctssdccl 7301 ctssdc 7303 enumctlemm 7304 enumct 7305 fodjuomnilemdc 7334 exmidfodomrlemr 7403 exmidfodomrlemrALT 7404 suplocexprlemdisj 7930 suplocexprlemub 7933 wrdsymb 11131 ennnfonelemdc 13010 ennnfonelemg 13014 ennnfonelemp1 13017 ennnfonelemhdmp1 13020 ennnfonelemkh 13023 ennnfonelemhf1o 13024 ennnfonelemex 13025 ennnfonelemhom 13026 ctinfomlemom 13038 ctinf 13041 ctiunctlemudc 13048 ctiunctlemf 13049 omctfn 13054 imasival 13379 imasbas 13380 imasplusg 13381 imasmulr 13382 imasaddfnlemg 13387 imasaddvallemg 13388 imasaddflemg 13389 imasmnd2 13525 imasgrp2 13687 mhmid 13692 mhmmnd 13693 mhmfmhm 13694 ghmgrp 13695 ghmfghm 13903 imasring 14067 znunit 14663 znrrg 14664 dvrecap 15427 gausslemma2dlem1f1o 15779 subctctexmid 16537 pw1nct 16540 |
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