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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 3281 |
. . 3
| |
| 2 | 1 | anim2i 342 |
. 2
|
| 3 | df-fo 5332 |
. 2
| |
| 4 | df-f 5330 |
. 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 df-f 5330 df-fo 5332 |
| This theorem is referenced by: fofun 5560 fofn 5561 dffo2 5563 foima 5564 resdif 5605 ffoss 5616 fconstfvm 5872 cocan2 5929 foeqcnvco 5931 focdmex 6277 algrflem 6394 algrflemg 6395 tposf2 6434 mapsn 6859 ssdomg 6952 fopwdom 7022 fidcenumlemrks 7152 fidcenumlemr 7154 ctmlemr 7307 ctm 7308 ctssdclemn0 7309 ctssdccl 7310 ctssdc 7312 enumctlemm 7313 enumct 7314 fodjuomnilemdc 7343 exmidfodomrlemr 7413 exmidfodomrlemrALT 7414 suplocexprlemdisj 7940 suplocexprlemub 7943 wrdsymb 11145 ennnfonelemdc 13038 ennnfonelemg 13042 ennnfonelemp1 13045 ennnfonelemhdmp1 13048 ennnfonelemkh 13051 ennnfonelemhf1o 13052 ennnfonelemex 13053 ennnfonelemhom 13054 ctinfomlemom 13066 ctinf 13069 ctiunctlemudc 13076 ctiunctlemf 13077 omctfn 13082 imasival 13407 imasbas 13408 imasplusg 13409 imasmulr 13410 imasaddfnlemg 13415 imasaddvallemg 13416 imasaddflemg 13417 imasmnd2 13553 imasgrp2 13715 mhmid 13720 mhmmnd 13721 mhmfmhm 13722 ghmgrp 13723 ghmfghm 13931 imasring 14096 znunit 14692 znrrg 14693 dvrecap 15456 gausslemma2dlem1f1o 15808 subctctexmid 16652 pw1nct 16655 |
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