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Mirrors > Home > MPE Home > Th. List > fvresi | Structured version Visualization version GIF version |
Description: The value of a restricted identity function. (Contributed by NM, 19-May-2004.) |
Ref | Expression |
---|---|
fvresi | ⊢ (𝐵 ∈ 𝐴 → (( I ↾ 𝐴)‘𝐵) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvres 6207 | . 2 ⊢ (𝐵 ∈ 𝐴 → (( I ↾ 𝐴)‘𝐵) = ( I ‘𝐵)) | |
2 | fvi 6255 | . 2 ⊢ (𝐵 ∈ 𝐴 → ( I ‘𝐵) = 𝐵) | |
3 | 1, 2 | eqtrd 2656 | 1 ⊢ (𝐵 ∈ 𝐴 → (( I ↾ 𝐴)‘𝐵) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 ∈ wcel 1990 I cid 5023 ↾ cres 5116 ‘cfv 5888 |
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-sbc 3436 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-uni 4437 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-res 5126 df-iota 5851 df-fun 5890 df-fv 5896 |
This theorem is referenced by: fninfp 6440 fndifnfp 6442 fnnfpeq0 6444 f1ocnvfv1 6532 f1ocnvfv2 6533 fcof1 6542 fcofo 6543 isoid 6579 weniso 6604 iordsmo 7454 fipreima 8272 infxpenc 8841 dfac9 8958 fproddvdsd 15059 ndxarg 15882 idfu2 16538 idfu1 16540 idfucl 16541 cofurid 16551 funcestrcsetclem6 16785 funcestrcsetclem7 16786 funcestrcsetclem9 16788 funcsetcestrclem6 16800 funcsetcestrclem7 16801 funcsetcestrclem9 16803 yonedainv 16921 idmhm 17344 idghm 17675 lactghmga 17824 symgga 17826 cayleylem2 17833 gsmsymgrfix 17848 gsmsymgreq 17852 pmtrfinv 17881 idlmhm 19041 evl1vard 19701 islinds2 20152 lindsind2 20158 madetsumid 20267 mdetunilem7 20424 txkgen 21455 ustuqtop3 22047 iducn 22087 nmoid 22546 dvid 23681 mvth 23755 fta1blem 23928 qaa 24078 idmot 25432 dfiop2 28612 idunop 28837 idcnop 28840 elunop2 28872 lnophm 28878 pmtridfv1 29857 pmtridfv2 29858 qqhre 30064 subfacp1lem4 31165 subfacp1lem5 31166 cvmliftlem5 31271 bj-evalid 33028 idlaut 35382 idldil 35400 ltrnid 35421 idltrn 35436 ltrnideq 35462 tendoidcl 36057 tendo1ne0 36116 cdleml7 36270 tendospid 36306 dvalveclem 36314 rngunsnply 37743 idmgmhm 41788 funcrngcsetcALT 41999 funcringcsetcALTV2lem6 42041 funcringcsetcALTV2lem7 42042 funcringcsetcALTV2lem9 42044 funcringcsetclem6ALTV 42064 funcringcsetclem7ALTV 42065 funcringcsetclem9ALTV 42067 dflinc2 42199 |
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