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Mirrors > Home > MPE Home > Th. List > fcoi2 | Structured version Visualization version Unicode version |
Description: Composition of restricted identity and a mapping. (Contributed by NM, 13-Dec-2003.) (Proof shortened by Andrew Salmon, 17-Sep-2011.) |
Ref | Expression |
---|---|
fcoi2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-f 5892 | . 2 | |
2 | cores 5638 | . . 3 | |
3 | fnrel 5989 | . . . 4 | |
4 | coi2 5652 | . . . 4 | |
5 | 3, 4 | syl 17 | . . 3 |
6 | 2, 5 | sylan9eqr 2678 | . 2 |
7 | 1, 6 | sylbi 207 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wss 3574 cid 5023 crn 5115 cres 5116 ccom 5118 wrel 5119 wfn 5883 wf 5884 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-fun 5890 df-fn 5891 df-f 5892 |
This theorem is referenced by: fcof1oinvd 6548 mapen 8124 mapfien 8313 hashfacen 13238 cofulid 16550 setccatid 16734 estrccatid 16772 symggrp 17820 f1omvdco2 17868 symggen 17890 psgnunilem1 17913 gsumval3 18308 gsumzf1o 18313 frgpcyg 19922 f1linds 20164 qtophmeo 21620 motgrp 25438 hoico2 28616 fcoinver 29418 fcobij 29500 symgfcoeu 29845 subfacp1lem5 31166 ltrncoidN 35414 trlcoat 36011 trlcone 36016 cdlemg47a 36022 cdlemg47 36024 trljco 36028 tgrpgrplem 36037 tendo1mul 36058 tendo0pl 36079 cdlemkid2 36212 cdlemk45 36235 cdlemk53b 36244 erng1r 36283 tendocnv 36310 dvalveclem 36314 dva0g 36316 dvhgrp 36396 dvhlveclem 36397 dvh0g 36400 cdlemn8 36493 dihordlem7b 36504 dihopelvalcpre 36537 mendring 37762 rngccatidALTV 41989 ringccatidALTV 42052 |
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