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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 18236) with a component extractor 𝐸 (such as the base set extractor df-base 17137). By virtue of ndxid 17124, 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 17077 | . . 3 ⊢ (𝑆 Struct 𝑋 → 𝑆 ∈ V) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ 𝑆 ∈ V |
| 4 | 1 | structfun 17082 | . 2 ⊢ Fun ◡◡𝑆 |
| 5 | strfv.e | . 2 ⊢ 𝐸 = Slot (𝐸‘ndx) | |
| 6 | strfv.n | . . 3 ⊢ {〈(𝐸‘ndx), 𝐶〉} ⊆ 𝑆 | |
| 7 | opex 5412 | . . . 4 ⊢ 〈(𝐸‘ndx), 𝐶〉 ∈ V | |
| 8 | 7 | snss 4741 | . . 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 17129 | 1 ⊢ (𝐶 ∈ 𝑉 → 𝐶 = (𝐸‘𝑆)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 Vcvv 3440 ⊆ wss 3901 {csn 4580 〈cop 4586 class class class wbr 5098 ‘cfv 6492 Struct cstr 17073 Slot cslot 17108 ndxcnx 17120 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-nn 12146 df-n0 12402 df-z 12489 df-uz 12752 df-fz 13424 df-struct 17074 df-slot 17109 |
| This theorem is referenced by: strfv3 17131 1strbas 17151 2strbas 17155 2strop 17156 rngbase 17219 rngplusg 17220 rngmulr 17221 srngbase 17230 srngplusg 17231 srngmulr 17232 srnginvl 17233 lmodbase 17246 lmodplusg 17247 lmodsca 17248 lmodvsca 17249 ipsbase 17257 ipsaddg 17258 ipsmulr 17259 ipssca 17260 ipsvsca 17261 ipsip 17262 phlbase 17267 phlplusg 17268 phlsca 17269 phlvsca 17270 phlip 17271 topgrpbas 17282 topgrpplusg 17283 topgrptset 17284 otpsbas 17297 otpstset 17298 otpsle 17299 odrngbas 17324 odrngplusg 17325 odrngmulr 17326 odrngtset 17327 odrngle 17328 odrngds 17329 imassca 17440 imastset 17443 fuccofval 17886 setcbas 18002 catchomfval 18026 catccofval 18028 estrcbas 18048 ipobas 18454 ipolerval 18455 ipotset 18456 cnfldbas 21313 mpocnfldadd 21314 mpocnfldmul 21316 cnfldcj 21318 cnfldtset 21319 cnfldle 21320 cnfldds 21321 cnfldunif 21322 cnfldbasOLD 21328 cnfldaddOLD 21329 cnfldmulOLD 21330 cnfldcjOLD 21331 cnfldtsetOLD 21332 cnfldleOLD 21333 cnflddsOLD 21334 cnfldunifOLD 21335 psrbas 21889 psrplusg 21892 psrmulr 21898 psrsca 21903 psrvscafval 21904 trkgbas 28517 trkgdist 28518 trkgitv 28519 idlsrgbas 33585 idlsrgplusg 33586 idlsrgmulr 33588 idlsrgtset 33589 algbase 43412 algaddg 43413 algmulr 43414 algsca 43415 algvsca 43416 rngchomfvalALTV 48509 rngccofvalALTV 48512 ringchomfvalALTV 48543 ringccofvalALTV 48546 catbas 49467 cathomfval 49468 catcofval 49469 mndtcbasval 49821 |
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