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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 2761 | . 2 ⊢ (𝐶 ↾cat 𝐻) = (𝐶 ↾cat 𝐻) | |
| 2 | rngcrescrhmALTV.c | . . . 4 ⊢ 𝐶 = (RngCatALTV‘𝑈) | |
| 3 | 2 | fvexi 6895 | . . 3 ⊢ 𝐶 ∈ V |
| 4 | 3 | a1i 11 | . 2 ⊢ (𝜑 → 𝐶 ∈ V) |
| 5 | rngcrescrhmALTV.r | . . . 4 ⊢ (𝜑 → 𝑅 = (Ring ∩ 𝑈)) | |
| 6 | incom 4161 | . . . 4 ⊢ (Ring ∩ 𝑈) = (𝑈 ∩ Ring) | |
| 7 | 5, 6 | eqtrdi 2812 | . . 3 ⊢ (𝜑 → 𝑅 = (𝑈 ∩ Ring)) |
| 8 | rngcrescrhmALTV.u | . . . 4 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 9 | inex1g 5287 | . . . 4 ⊢ (𝑈 ∈ 𝑉 → (𝑈 ∩ Ring) ∈ V) | |
| 10 | 8, 9 | syl 18 | . . 3 ⊢ (𝜑 → (𝑈 ∩ Ring) ∈ V) |
| 11 | 7, 10 | eqeltrd 2861 | . 2 ⊢ (𝜑 → 𝑅 ∈ V) |
| 12 | inss1 4188 | . . . . . 6 ⊢ (Ring ∩ 𝑈) ⊆ Ring | |
| 13 | 5, 12 | eqsstrdi 3980 | . . . . 5 ⊢ (𝜑 → 𝑅 ⊆ Ring) |
| 14 | xpss12 5676 | . . . . 5 ⊢ ((𝑅 ⊆ Ring ∧ 𝑅 ⊆ Ring) → (𝑅 × 𝑅) ⊆ (Ring × Ring)) | |
| 15 | 13, 13, 14 | syl2anc 595 | . . . 4 ⊢ (𝜑 → (𝑅 × 𝑅) ⊆ (Ring × Ring)) |
| 16 | rhmfn 20580 | . . . . 5 ⊢ RingHom Fn (Ring × Ring) | |
| 17 | fnssresb 6657 | . . . . 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 6632 | . . 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 17884 | 1 ⊢ (𝜑 → (𝐶 ↾cat 𝐻) = ((𝐶 ↾s 𝑅) sSet 〈(Hom ‘ndx), 𝐻〉)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1568 ∈ wcel 2141 Vcvv 3453 ∩ cin 3903 ⊆ wss 3904 〈cop 4594 × cxp 5659 ↾ cres 5663 Fn wfn 6531 ‘cfv 6536 (class class class)co 7410 sSet csts 17222 ndxcnx 17252 ↾s cress 17289 Hom chom 17320 ↾cat cresc 17864 Ringcrg 20314 RingHom crh 20550 RngCatALTVcrngcALTV 48995 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 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 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-map 8825 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-plusg 17322 df-0g 17493 df-resc 17867 df-mhm 18840 df-ghm 19283 df-mgp 20216 df-ur 20263 df-ring 20316 df-rhm 20553 |
| This theorem is referenced by: (None) |
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