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| Mirrors > Home > MPE Home > Th. List > Mathboxes > rngcrescrhmALTV | Structured version Visualization version GIF version | ||
| Description: The category of non-unital rings (in a universe) restricted to the ring homomorphisms between unital rings (in the same universe). (Contributed by AV, 1-Mar-2020.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| rngcrescrhmALTV.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
| rngcrescrhmALTV.c | ⊢ 𝐶 = (RngCatALTV‘𝑈) |
| rngcrescrhmALTV.r | ⊢ (𝜑 → 𝑅 = (Ring ∩ 𝑈)) |
| rngcrescrhmALTV.h | ⊢ 𝐻 = ( RingHom ↾ (𝑅 × 𝑅)) |
| Ref | Expression |
|---|---|
| rngcrescrhmALTV | ⊢ (𝜑 → (𝐶 ↾cat 𝐻) = ((𝐶 ↾s 𝑅) sSet 〈(Hom ‘ndx), 𝐻〉)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . 2 ⊢ (𝐶 ↾cat 𝐻) = (𝐶 ↾cat 𝐻) | |
| 2 | rngcrescrhmALTV.c | . . . 4 ⊢ 𝐶 = (RngCatALTV‘𝑈) | |
| 3 | 2 | fvexi 6899 | . . 3 ⊢ 𝐶 ∈ V |
| 4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → 𝐶 ∈ V) |
| 5 | rngcrescrhmALTV.r | . . . 4 ⊢ (𝜑 → 𝑅 = (Ring ∩ 𝑈)) | |
| 6 | incom 4106 | . . . 4 ⊢ (Ring ∩ 𝑈) = (𝑈 ∩ Ring) | |
| 7 | 5, 6 | eqtrdi 2811 | . . 3 ⊢ (𝜑 → 𝑅 = (𝑈 ∩ Ring)) |
| 8 | rngcrescrhmALTV.u | . . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 9 | inex1g 5278 | . . . 4 ⊢ (𝑈 ∈ 𝑉 → (𝑈 ∩ Ring) ∈ V) | |
| 10 | 8, 9 | syl 18 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Ring) ∈ V) |
| 11 | 7, 10 | eqeltrd 2860 | . 2 ⊢ (𝜑 → 𝑅 ∈ V) |
| 12 | inss1 4133 | . . . . . 6 ⊢ (Ring ∩ 𝑈) ⊆ Ring | |
| 13 | 5, 12 | eqsstrdi 3952 | . . . . 5 ⊢ (𝜑 → 𝑅 ⊆ Ring) |
| 14 | xpss12 5665 | . . . . 5 ⊢ ((𝑅 ⊆ Ring ∧ 𝑅 ⊆ Ring) → (𝑅 × 𝑅) ⊆ (Ring × Ring)) | |
| 15 | 13, 13, 14 | syl2anc 596 | . . . 4 ⊢ (𝜑 → (𝑅 × 𝑅) ⊆ (Ring × Ring)) |
| 16 | rhmfn 20741 | . . . . 5 ⊢ RingHom Fn (Ring × Ring) | |
| 17 | fnssresb 6661 | . . . . 5 ⊢ ( RingHom Fn (Ring × Ring) → (( RingHom ↾ (𝑅 × 𝑅)) Fn (𝑅 × 𝑅) ↔ (𝑅 × 𝑅) ⊆ (Ring × Ring))) | |
| 18 | 16, 17 | mp1i 14 | . . . 4 ⊢ (𝜑 → (( RingHom ↾ (𝑅 × 𝑅)) Fn (𝑅 × 𝑅) ↔ (𝑅 × 𝑅) ⊆ (Ring × Ring))) |
| 19 | 15, 18 | mpbird 260 | . . 3 ⊢ (𝜑 → ( RingHom ↾ (𝑅 × 𝑅)) Fn (𝑅 × 𝑅)) |
| 20 | rngcrescrhmALTV.h | . . . 4 ⊢ 𝐻 = ( RingHom ↾ (𝑅 × 𝑅)) | |
| 21 | 20 | fneq1i 6636 | . . 3 ⊢ (𝐻 Fn (𝑅 × 𝑅) ↔ ( RingHom ↾ (𝑅 × 𝑅)) Fn (𝑅 × 𝑅)) |
| 22 | 19, 21 | sylibr 237 | . 2 ⊢ (𝜑 → 𝐻 Fn (𝑅 × 𝑅)) |
| 23 | 1, 4, 11, 22 | rescval2 18008 | 1 ⊢ (𝜑 → (𝐶 ↾cat 𝐻) = ((𝐶 ↾s 𝑅) sSet 〈(Hom ‘ndx), 𝐻〉)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 = wceq 1569 ∈ wcel 2144 Vcvv 3450 ⊆ wss 3895 ∩ cin 4089 〈cop 4834 × cxp 5648 ↾ cres 5652 Fn wfn 6533 ‘cfv 6538 (class class class)co 7420 sSet csts 17346 ndxcnx 17376 ↾s cress 17413 Hom chom 17444 ↾cat cresc 17988 Ringcrg 20464 RingHom crh 20704 RngCatALTVcrngcALTV 49453 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-er 8720 df-map 8852 df-en 8977 df-dom 8978 df-sdom 8979 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-2 12408 df-sets 17347 df-slot 17365 df-ndx 17377 df-base 17393 df-plusg 17446 df-0g 17617 df-resc 17991 df-mhm 18983 df-ghm 19433 df-mgp 20366 df-ur 20413 df-ring 20466 df-rhm 20707 |
| This theorem is used by: (None) |
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