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Mirrors > Home > MPE Home > Th. List > ressbas2 | Structured version Visualization version GIF version |
Description: Base set of a structure restriction. (Contributed by Mario Carneiro, 2-Dec-2014.) |
Ref | Expression |
---|---|
ressbas.r | ⊢ 𝑅 = (𝑊 ↾s 𝐴) |
ressbas.b | ⊢ 𝐵 = (Base‘𝑊) |
Ref | Expression |
---|---|
ressbas2 | ⊢ (𝐴 ⊆ 𝐵 → 𝐴 = (Base‘𝑅)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ss 3870 | . . 3 ⊢ (𝐴 ⊆ 𝐵 ↔ (𝐴 ∩ 𝐵) = 𝐴) | |
2 | 1 | biimpi 219 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐴 ∩ 𝐵) = 𝐴) |
3 | ressbas.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑊) | |
4 | 3 | fvexi 6709 | . . . 4 ⊢ 𝐵 ∈ V |
5 | 4 | ssex 5199 | . . 3 ⊢ (𝐴 ⊆ 𝐵 → 𝐴 ∈ V) |
6 | ressbas.r | . . . 4 ⊢ 𝑅 = (𝑊 ↾s 𝐴) | |
7 | 6, 3 | ressbas 16738 | . . 3 ⊢ (𝐴 ∈ V → (𝐴 ∩ 𝐵) = (Base‘𝑅)) |
8 | 5, 7 | syl 17 | . 2 ⊢ (𝐴 ⊆ 𝐵 → (𝐴 ∩ 𝐵) = (Base‘𝑅)) |
9 | 2, 8 | eqtr3d 2773 | 1 ⊢ (𝐴 ⊆ 𝐵 → 𝐴 = (Base‘𝑅)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2112 Vcvv 3398 ∩ cin 3852 ⊆ wss 3853 ‘cfv 6358 (class class class)co 7191 Basecbs 16666 ↾s cress 16667 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-1cn 10752 ax-addcl 10754 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-ral 3056 df-rex 3057 df-reu 3058 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-nn 11796 df-ndx 16669 df-slot 16670 df-base 16672 df-sets 16673 df-ress 16674 |
This theorem is referenced by: rescbas 17288 fullresc 17311 resssetc 17552 yoniso 17747 issstrmgm 18079 gsumress 18108 issubmnd 18154 ress0g 18155 submnd0 18156 submbas 18195 resmhm 18201 resgrpplusfrn 18335 subgbas 18501 issubg2 18512 resghm 18592 symgbas 18717 submod 18912 cntrcmnd 19181 ringidss 19549 unitgrpbas 19638 isdrng2 19731 drngmcl 19734 drngid2 19737 isdrngd 19746 cntzsdrg 19800 subdrgint 19801 primefld 19803 islss3 19950 lsslss 19952 lsslsp 20006 reslmhm 20043 xrs1mnd 20355 xrs10 20356 xrs1cmn 20357 xrge0subm 20358 xrge0cmn 20359 cnmsubglem 20380 nn0srg 20387 rge0srg 20388 zringbas 20395 expghm 20416 cnmsgnbas 20494 psgnghm 20496 rebase 20522 dsmmbase 20651 dsmmval2 20652 lsslindf 20746 lsslinds 20747 islinds3 20750 resspsrbas 20894 mplbas 20908 ressmplbas 20939 evlssca 21003 mpfconst 21015 mpfind 21021 ply1bas 21070 ressply1bas 21104 evls1sca 21193 m2cpmrngiso 21609 ressusp 23116 imasdsf1olem 23225 xrge0gsumle 23684 xrge0tsms 23685 cmssmscld 24201 cmsss 24202 minveclem3a 24278 efabl 25393 efsubm 25394 qrngbas 26454 ressplusf 30909 ressnm 30910 ressprs 30914 ressmulgnn 30965 ressmulgnn0 30966 xrge0tsmsd 30990 ress1r 31159 xrge0slmod 31216 znfermltl 31230 drgextlsp 31349 lssdimle 31359 lbslsat 31367 dimkerim 31376 fedgmullem1 31378 fedgmullem2 31379 fedgmul 31380 rspecbas 31483 prsssdm 31535 ordtrestNEW 31539 ordtrest2NEW 31541 xrge0iifmhm 31557 esumpfinvallem 31708 sitgaddlemb 31981 prdsbnd2 35639 cnpwstotbnd 35641 repwsmet 35678 rrnequiv 35679 lcdvbase 39293 selvval2lem4 39882 islssfg 40539 lnmlsslnm 40550 pwssplit4 40558 deg1mhm 40676 gsumge0cl 43527 sge0tsms 43536 cnfldsrngbas 44939 issubmgm2 44960 submgmbas 44966 resmgmhm 44968 amgmlemALT 46121 |
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