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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 3302 |
. . 3
| |
| 2 | 1 | anim2i 342 |
. 2
|
| 3 | df-fo 5378 |
. 2
| |
| 4 | df-f 5376 |
. 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 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 df-f 5376 df-fo 5378 |
| This theorem is referenced by: fofun 5611 fofn 5612 dffo2 5614 foima 5615 resdif 5656 ffoss 5667 fconstfvm 5924 cocan2 5984 foeqcnvco 5986 focdmex 6334 algrflem 6455 algrflemg 6456 tposf2 6529 mapfoss 6937 mapsn 6962 ssdomg 7055 fopwdom 7126 fidcenumlemrks 7260 fidcenumlemr 7262 ctmlemr 7438 ctm 7439 ctssdclemn0 7440 ctssdccl 7441 ctssdc 7443 enumctlemm 7444 enumct 7445 fodjuomnilemdc 7474 exmidfodomrlemr 7544 exmidfodomrlemrALT 7545 suplocexprlemdisj 8077 suplocexprlemub 8080 wrdsymb 11310 ennnfonelemdc 13268 ennnfonelemg 13272 ennnfonelemp1 13275 ennnfonelemhdmp1 13278 ennnfonelemkh 13281 ennnfonelemhf1o 13282 ennnfonelemex 13283 ennnfonelemhom 13284 ctinfomlemom 13296 ctinf 13299 ctiunctlemudc 13306 ctiunctlemf 13307 omctfn 13312 imasival 13604 imasbas 13605 imasplusg 13606 imasmulr 13607 imasaddfnlemg 13612 imasaddvallemg 13613 imasaddflemg 13614 imasmnd2 13736 imasgrp2 13890 mhmid 13895 mhmmnd 13896 mhmfmhm 13897 ghmgrp 13898 ghmfghm 14107 imasring 14342 znunit 14966 znrrg 14967 dvrecap 15737 gausslemma2dlem1f1o 16093 subctctexmid 16944 pw1nct 16947 |
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