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| Mirrors > Home > MPE Home > Th. List > strfv | Structured version Visualization version GIF version | ||
| Description: Extract a structure component 𝐶 (such as the base set) from a structure 𝑆 (such as a member of Poset, df-poset 18279) with a component extractor 𝐸 (such as the base set extractor df-base 17180). By virtue of ndxid 17167, this can be done without having to refer to the hard-coded numeric index of 𝐸. (Contributed by Mario Carneiro, 6-Oct-2013.) (Revised by Mario Carneiro, 29-Aug-2015.) |
| Ref | Expression |
|---|---|
| strfv.s | ⊢ 𝑆 Struct 𝑋 |
| strfv.e | ⊢ 𝐸 = Slot (𝐸‘ndx) |
| strfv.n | ⊢ {〈(𝐸‘ndx), 𝐶〉} ⊆ 𝑆 |
| Ref | Expression |
|---|---|
| strfv | ⊢ (𝐶 ∈ 𝑉 → 𝐶 = (𝐸‘𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | strfv.s | . . 3 ⊢ 𝑆 Struct 𝑋 | |
| 2 | structex 17120 | . . 3 ⊢ (𝑆 Struct 𝑋 → 𝑆 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ 𝑆 ∈ V |
| 4 | 1 | structfun 17125 | . 2 ⊢ Fun ◡◡𝑆 |
| 5 | strfv.e | . 2 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 6 | strfv.n | . . 3 ⊢ {〈(𝐸‘ndx), 𝐶〉} ⊆ 𝑆 | |
| 7 | opex 5416 | . . . 4 ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ V | |
| 8 | 7 | snss 4728 | . . 3 ⊢ (〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 ↔ {〈(𝐸‘ndx), 𝐶〉} ⊆ 𝑆) |
| 9 | 6, 8 | mpbir 231 | . 2 ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ 𝑆 |
| 10 | 3, 4, 5, 9 | strfv2 17172 | 1 ⊢ (𝐶 ∈ 𝑉 → 𝐶 = (𝐸‘𝑆)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3429 ⊆ wss 3889 {csn 4567 〈cop 4573 class class class wbr 5085 ‘cfv 6498 Struct cstr 17116 Slot cslot 17151 ndxcnx 17163 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-n0 12438 df-z 12525 df-uz 12789 df-fz 13462 df-struct 17117 df-slot 17152 |
| This theorem is referenced by: strfv3 17174 1strbas 17194 2strbas 17198 2strop 17199 rngbase 17262 rngplusg 17263 rngmulr 17264 srngbase 17273 srngplusg 17274 srngmulr 17275 srnginvl 17276 lmodbase 17289 lmodplusg 17290 lmodsca 17291 lmodvsca 17292 ipsbase 17300 ipsaddg 17301 ipsmulr 17302 ipssca 17303 ipsvsca 17304 ipsip 17305 phlbase 17310 phlplusg 17311 phlsca 17312 phlvsca 17313 phlip 17314 topgrpbas 17325 topgrpplusg 17326 topgrptset 17327 otpsbas 17340 otpstset 17341 otpsle 17342 odrngbas 17367 odrngplusg 17368 odrngmulr 17369 odrngtset 17370 odrngle 17371 odrngds 17372 imassca 17483 imastset 17486 fuccofval 17929 setcbas 18045 catchomfval 18069 catccofval 18071 estrcbas 18091 ipobas 18497 ipolerval 18498 ipotset 18499 cnfldbas 21356 mpocnfldadd 21357 mpocnfldmul 21359 cnfldcj 21361 cnfldtset 21362 cnfldle 21363 cnfldds 21364 cnfldunif 21365 psrbas 21913 psrplusg 21916 psrmulr 21921 psrsca 21926 psrvscafval 21927 trkgbas 28513 trkgdist 28514 trkgitv 28515 idlsrgbas 33564 idlsrgplusg 33565 idlsrgmulr 33567 idlsrgtset 33568 algbase 43602 algaddg 43603 algmulr 43604 algsca 43605 algvsca 43606 rngchomfvalALTV 48743 rngccofvalALTV 48746 ringchomfvalALTV 48777 ringccofvalALTV 48780 catbas 49701 cathomfval 49702 catcofval 49703 mndtcbasval 50055 |
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