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| Mirrors > Home > MPE Home > Th. List > ringchomfval | Structured version Visualization version GIF version | ||
| Description: Set of arrows of the category of unital rings (in a universe). (Contributed by AV, 14-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) |
| ringchomfval.h | ⊢ 𝐻 = (Hom ‘𝐶) |
| Ref | Expression |
|---|---|
| ringchomfval | ⊢ (𝜑 → 𝐻 = ( RingHom ↾ (𝐵 × 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringchomfval.h | . . 3 ⊢ 𝐻 = (Hom ‘𝐶) | |
| 2 | ringcbas.c | . . . . 5 ⊢ 𝐶 = (RingCat‘𝑈) | |
| 3 | ringcbas.u | . . . . 5 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 4 | ringcbas.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝐶) | |
| 5 | 2, 4, 3 | ringcbas 20595 | . . . . 5 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Ring)) |
| 6 | eqidd 2738 | . . . . 5 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) = ( RingHom ↾ (𝐵 × 𝐵))) | |
| 7 | 2, 3, 5, 6 | ringcval 20592 | . . . 4 ⊢ (𝜑 → 𝐶 = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵)))) |
| 8 | 7 | fveq2d 6846 | . . 3 ⊢ (𝜑 → (Hom ‘𝐶) = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 9 | 1, 8 | eqtrid 2784 | . 2 ⊢ (𝜑 → 𝐻 = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 10 | eqid 2737 | . . 3 ⊢ ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))) = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))) | |
| 11 | eqid 2737 | . . 3 ⊢ (Base‘(ExtStrCat‘𝑈)) = (Base‘(ExtStrCat‘𝑈)) | |
| 12 | fvexd 6857 | . . 3 ⊢ (𝜑 → (ExtStrCat‘𝑈) ∈ V) | |
| 13 | 5, 6 | rhmresfn 20593 | . . 3 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) Fn (𝐵 × 𝐵)) |
| 14 | inss1 4191 | . . . . 5 ⊢ (𝑈 ∩ Ring) ⊆ 𝑈 | |
| 15 | 14 | a1i 11 | . . . 4 ⊢ (𝜑 → (𝑈 ∩ Ring) ⊆ 𝑈) |
| 16 | eqid 2737 | . . . . . 6 ⊢ (ExtStrCat‘𝑈) = (ExtStrCat‘𝑈) | |
| 17 | 16, 3 | estrcbas 18060 | . . . . 5 ⊢ (𝜑 → 𝑈 = (Base‘(ExtStrCat‘𝑈))) |
| 18 | 17 | eqcomd 2743 | . . . 4 ⊢ (𝜑 → (Base‘(ExtStrCat‘𝑈)) = 𝑈) |
| 19 | 15, 5, 18 | 3sstr4d 3991 | . . 3 ⊢ (𝜑 → 𝐵 ⊆ (Base‘(ExtStrCat‘𝑈))) |
| 20 | 10, 11, 12, 13, 19 | reschom 17766 | . 2 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 21 | 9, 20 | eqtr4d 2775 | 1 ⊢ (𝜑 → 𝐻 = ( RingHom ↾ (𝐵 × 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 Vcvv 3442 ∩ cin 3902 ⊆ wss 3903 × cxp 5630 ↾ cres 5634 ‘cfv 6500 (class class class)co 7368 Basecbs 17148 Hom chom 17200 ↾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: ringchom 20597 ringchomfeqhom 20599 ringccofval 20600 rhmsubcsetclem1 20605 rhmsubcrngclem1 20611 funcringcsetc 20619 irinitoringc 21446 |
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