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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 2762 | . 2 ⊢ (𝐶 ↾cat 𝐻) = (𝐶 ↾cat 𝐻) | |
| 2 | rngcrescrhmALTV.c | . . . 4 ⊢ 𝐶 = (RngCatALTV‘𝑈) | |
| 3 | 2 | fvexi 6896 | . . 3 ⊢ 𝐶 ∈ V |
| 4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → 𝐶 ∈ V) |
| 5 | rngcrescrhmALTV.r | . . . 4 ⊢ (𝜑 → 𝑅 = (Ring ∩ 𝑈)) | |
| 6 | incom 4158 | . . . 4 ⊢ (Ring ∩ 𝑈) = (𝑈 ∩ Ring) | |
| 7 | 5, 6 | eqtrdi 2813 | . . 3 ⊢ (𝜑 → 𝑅 = (𝑈 ∩ Ring)) |
| 8 | rngcrescrhmALTV.u | . . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 9 | inex1g 5286 | . . . 4 ⊢ (𝑈 ∈ 𝑉 → (𝑈 ∩ Ring) ∈ V) | |
| 10 | 8, 9 | syl 18 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Ring) ∈ V) |
| 11 | 7, 10 | eqeltrd 2862 | . 2 ⊢ (𝜑 → 𝑅 ∈ V) |
| 12 | inss1 4185 | . . . . . 6 ⊢ (Ring ∩ 𝑈) ⊆ Ring | |
| 13 | 5, 12 | eqsstrdi 3978 | . . . . 5 ⊢ (𝜑 → 𝑅 ⊆ Ring) |
| 14 | xpss12 5674 | . . . . 5 ⊢ ((𝑅 ⊆ Ring ∧ 𝑅 ⊆ Ring) → (𝑅 × 𝑅) ⊆ (Ring × Ring)) | |
| 15 | 13, 13, 14 | syl2anc 596 | . . . 4 ⊢ (𝜑 → (𝑅 × 𝑅) ⊆ (Ring × Ring)) |
| 16 | rhmfn 20653 | . . . . 5 ⊢ RingHom Fn (Ring × Ring) | |
| 17 | fnssresb 6658 | . . . . 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 6633 | . . 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 17923 | 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 1570 ∈ wcel 2145 Vcvv 3453 ∩ cin 3901 ⊆ wss 3902 〈cop 4593 × cxp 5657 ↾ cres 5661 Fn wfn 6532 ‘cfv 6537 (class class class)co 7417 sSet csts 17261 ndxcnx 17291 ↾s cress 17328 Hom chom 17359 ↾cat cresc 17903 Ringcrg 20378 RingHom crh 20616 RngCatALTVcrngcALTV 49186 |
| 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 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-cnex 11184 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-map 8832 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-nn 12262 df-2 12331 df-sets 17262 df-slot 17280 df-ndx 17292 df-base 17308 df-plusg 17361 df-0g 17532 df-resc 17906 df-mhm 18897 df-ghm 19347 df-mgp 20280 df-ur 20327 df-ring 20380 df-rhm 20619 |
| This theorem is used by: (None) |
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