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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 3278 |
. . 3
| |
| 2 | 1 | anim2i 342 |
. 2
|
| 3 | df-fo 5324 |
. 2
| |
| 4 | df-f 5322 |
. 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 3203 df-ss 3210 df-f 5322 df-fo 5324 |
| This theorem is referenced by: fofun 5551 fofn 5552 dffo2 5554 foima 5555 resdif 5596 ffoss 5606 fconstfvm 5861 cocan2 5918 foeqcnvco 5920 focdmex 6266 algrflem 6381 algrflemg 6382 tposf2 6420 mapsn 6845 ssdomg 6938 fopwdom 7005 fidcenumlemrks 7131 fidcenumlemr 7133 ctmlemr 7286 ctm 7287 ctssdclemn0 7288 ctssdccl 7289 ctssdc 7291 enumctlemm 7292 enumct 7293 fodjuomnilemdc 7322 exmidfodomrlemr 7391 exmidfodomrlemrALT 7392 suplocexprlemdisj 7918 suplocexprlemub 7921 wrdsymb 11112 ennnfonelemdc 12985 ennnfonelemg 12989 ennnfonelemp1 12992 ennnfonelemhdmp1 12995 ennnfonelemkh 12998 ennnfonelemhf1o 12999 ennnfonelemex 13000 ennnfonelemhom 13001 ctinfomlemom 13013 ctinf 13016 ctiunctlemudc 13023 ctiunctlemf 13024 omctfn 13029 imasival 13354 imasbas 13355 imasplusg 13356 imasmulr 13357 imasaddfnlemg 13362 imasaddvallemg 13363 imasaddflemg 13364 imasmnd2 13500 imasgrp2 13662 mhmid 13667 mhmmnd 13668 mhmfmhm 13669 ghmgrp 13670 ghmfghm 13878 imasring 14042 znunit 14638 znrrg 14639 dvrecap 15402 gausslemma2dlem1f1o 15754 subctctexmid 16425 pw1nct 16428 |
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