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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 20882 | . . . . 5 ⊢ (𝜑 → 𝐵 = (𝑈 ∩ Ring)) |
| 6 | eqidd 2762 | . . . . 5 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) = ( RingHom ↾ (𝐵 × 𝐵))) | |
| 7 | 2, 3, 5, 6 | ringcval 20879 | . . . 4 ⊢ (𝜑 → 𝐶 = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵)))) |
| 8 | 7 | fveq2d 6881 | . . 3 ⊢ (𝜑 → (Hom ‘𝐶) = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 9 | 1, 8 | eqtrid 2808 | . 2 ⊢ (𝜑 → 𝐻 = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 10 | eqid 2761 | . . 3 ⊢ ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))) = ((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))) | |
| 11 | eqid 2761 | . . 3 ⊢ (Base‘(ExtStrCat‘𝑈)) = (Base‘(ExtStrCat‘𝑈)) | |
| 12 | fvexd 6892 | . . 3 ⊢ (𝜑 → (ExtStrCat‘𝑈) ∈ V) | |
| 13 | 5, 6 | rhmresfn 20880 | . . 3 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) Fn (𝐵 × 𝐵)) |
| 14 | inss1 4182 | . . . . 5 ⊢ (𝑈 ∩ Ring) ⊆ 𝑈 | |
| 15 | 14 | a1i 11 | . . . 4 ⊢ (𝜑 → (𝑈 ∩ Ring) ⊆ 𝑈) |
| 16 | eqid 2761 | . . . . . 6 ⊢ (ExtStrCat‘𝑈) = (ExtStrCat‘𝑈) | |
| 17 | 16, 3 | estrcbas 18279 | . . . . 5 ⊢ (𝜑 → 𝑈 = (Base‘(ExtStrCat‘𝑈))) |
| 18 | 17 | eqcomd 2767 | . . . 4 ⊢ (𝜑 → (Base‘(ExtStrCat‘𝑈)) = 𝑈) |
| 19 | 15, 5, 18 | 3sstr4d 3986 | . . 3 ⊢ (𝜑 → 𝐵 ⊆ (Base‘(ExtStrCat‘𝑈))) |
| 20 | 10, 11, 12, 13, 19 | reschom 17985 | . 2 ⊢ (𝜑 → ( RingHom ↾ (𝐵 × 𝐵)) = (Hom ‘((ExtStrCat‘𝑈) ↾cat ( RingHom ↾ (𝐵 × 𝐵))))) |
| 21 | 9, 20 | eqtr4d 2799 | 1 ⊢ (𝜑 → 𝐻 = ( RingHom ↾ (𝐵 × 𝐵))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 Vcvv 3451 ∩ cin 3898 ⊆ wss 3899 × cxp 5649 ↾ cres 5653 ‘cfv 6531 (class class class)co 7412 Basecbs 17367 Hom chom 17419 ↾cat cresc 17963 ExtStrCatcestrc 18276 Ringcrg 20439 RingHom crh 20679 RingCatcringc 20877 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-map 8833 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-2 12386 df-3 12387 df-4 12388 df-5 12389 df-6 12390 df-7 12391 df-8 12392 df-9 12393 df-n0 12588 df-z 12675 df-dec 12796 df-uz 12947 df-fz 13621 df-struct 17305 df-sets 17322 df-slot 17340 df-ndx 17352 df-base 17368 df-ress 17389 df-plusg 17421 df-hom 17432 df-cco 17433 df-0g 17592 df-resc 17966 df-estrc 18277 df-mhm 18958 df-ghm 19408 df-mgp 20341 df-ur 20388 df-ring 20441 df-rhm 20682 df-ringc 20878 |
| This theorem is used by: ringchom 20884 ringchomfeqhom 20886 ringccofval 20887 rhmsubcsetclem1 20892 rhmsubcrngclem1 20898 funcringcsetc 20906 irinitoringc 21765 |
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