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| Mirrors > Home > MPE Home > Th. List > ringcbas | Structured version Visualization version GIF version | ||
| Description: Set of objects of the category of unital rings (in a universe). (Contributed by AV, 13-Feb-2020.) (Revised by AV, 8-Mar-2020.) |
| Ref | Expression |
|---|---|
| ringcbas.c | ⊢ 𝐶 = (RingCat‘𝑈) |
| ringcbas.b | ⊢ 𝐵 = (Base‘𝐶) |
| ringcbas.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
| Ref | Expression |
|---|---|
| ringcbas | ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Ring)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringcbas.c | . . . 4 ⊢ 𝐶 = (RingCat‘𝑈) | |
| 2 | ringcbas.u | . . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 3 | eqidd 2738 | . . . 4 ⊢ (𝜑 → (𝑈 ∩ Ring) = (𝑈 ∩ Ring)) | |
| 4 | eqidd 2738 | . . . 4 ⊢ (𝜑 → ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring))) = ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring)))) | |
| 5 | 1, 2, 3, 4 | ringcval 20592 | . . 3 ⊢ (𝜑 → 𝐶 = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring))))) |
| 6 | 5 | fveq2d 6846 | . 2 ⊢ (𝜑 → (Base‘𝐶) = (Base‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring)))))) |
| 7 | ringcbas.b | . . 3 ⊢ 𝐵 = (Base‘𝐶) | |
| 8 | 7 | a1i 11 | . 2 ⊢ (𝜑 → 𝐵 = (Base‘𝐶)) |
| 9 | eqid 2737 | . . 3 ⊢ ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring)))) = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring)))) | |
| 10 | eqid 2737 | . . 3 ⊢ (Base‘(ExtStrCat‘𝑈)) = (Base‘(ExtStrCat‘𝑈)) | |
| 11 | fvexd 6857 | . . 3 ⊢ (𝜑 → (ExtStrCat‘𝑈) ∈ V) | |
| 12 | 3, 4 | rhmresfn 20593 | . . 3 ⊢ (𝜑 → ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring))) Fn ((𝑈 ∩ Ring) × (𝑈 ∩ Ring))) |
| 13 | inss1 4191 | . . . 4 ⊢ (𝑈 ∩ Ring) ⊆ 𝑈 | |
| 14 | eqid 2737 | . . . . 5 ⊢ (ExtStrCat‘𝑈) = (ExtStrCat‘𝑈) | |
| 15 | 14, 2 | estrcbas 18060 | . . . 4 ⊢ (𝜑 → 𝑈 = (Base‘(ExtStrCat‘𝑈))) |
| 16 | 13, 15 | sseqtrid 3978 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Ring) ⊆ (Base‘(ExtStrCat‘𝑈))) |
| 17 | 9, 10, 11, 12, 16 | rescbas 17765 | . 2 ⊢ (𝜑 → (𝑈 ∩ Ring) = (Base‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ ((𝑈 ∩ Ring) × (𝑈 ∩ Ring)))))) |
| 18 | 6, 8, 17 | 3eqtr4d 2782 | 1 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Ring)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ∩ cin 3902 × cxp 5630 ↾ cres 5634 ‘cfv 6500 (class class class)co 7368 Basecbs 17148 ↾cat cresc 17744 ExtStrCatcestrc 18057 Ringcrg 20180 RingHom crh 20417 RingCatcringc 20590 |
| 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 2709 ax-rep 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-map 8777 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-fz 13436 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-hom 17213 df-cco 17214 df-0g 17373 df-resc 17747 df-estrc 18058 df-mhm 18720 df-ghm 19154 df-mgp 20088 df-ur 20129 df-ring 20182 df-rhm 20420 df-ringc 20591 |
| This theorem is referenced by: ringchomfval 20596 ringchomfeqhom 20599 ringccofval 20600 rhmsubcsetclem1 20605 ringcid 20609 rhmsubcrngclem1 20611 ringcsect 20615 ringcbasbas 20618 funcringcsetc 20619 zrtermoringc 20620 zrninitoringc 20621 srhmsubclem2 20623 srhmsubc 20625 irinitoringc 21446 nzerooringczr 21447 funcringcsetcALTV2lem7 48650 funcringcsetcALTV2lem9 48652 |
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