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Mirrors > Home > MPE Home > Th. List > zrhval | Structured version Visualization version GIF version |
Description: Define the unique homomorphism from the integers to a ring or field. (Contributed by Mario Carneiro, 13-Jun-2015.) (Revised by AV, 12-Jun-2019.) |
Ref | Expression |
---|---|
zrhval.l | ⊢ 𝐿 = (ℤRHom‘𝑅) |
Ref | Expression |
---|---|
zrhval | ⊢ 𝐿 = ∪ (ℤring RingHom 𝑅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zrhval.l | . 2 ⊢ 𝐿 = (ℤRHom‘𝑅) | |
2 | oveq2 7428 | . . . . 5 ⊢ (𝑟 = 𝑅 → (ℤring RingHom 𝑟) = (ℤring RingHom 𝑅)) | |
3 | 2 | unieqd 4921 | . . . 4 ⊢ (𝑟 = 𝑅 → ∪ (ℤring RingHom 𝑟) = ∪ (ℤring RingHom 𝑅)) |
4 | df-zrh 21429 | . . . 4 ⊢ ℤRHom = (𝑟 ∈ V ↦ ∪ (ℤring RingHom 𝑟)) | |
5 | ovex 7453 | . . . . 5 ⊢ (ℤring RingHom 𝑅) ∈ V | |
6 | 5 | uniex 7746 | . . . 4 ⊢ ∪ (ℤring RingHom 𝑅) ∈ V |
7 | 3, 4, 6 | fvmpt 7005 | . . 3 ⊢ (𝑅 ∈ V → (ℤRHom‘𝑅) = ∪ (ℤring RingHom 𝑅)) |
8 | fvprc 6889 | . . . 4 ⊢ (¬ 𝑅 ∈ V → (ℤRHom‘𝑅) = ∅) | |
9 | dfrhm2 20413 | . . . . . . . 8 ⊢ RingHom = (𝑟 ∈ Ring, 𝑠 ∈ Ring ↦ ((𝑟 GrpHom 𝑠) ∩ ((mulGrp‘𝑟) MndHom (mulGrp‘𝑠)))) | |
10 | 9 | reldmmpo 7555 | . . . . . . 7 ⊢ Rel dom RingHom |
11 | 10 | ovprc2 7460 | . . . . . 6 ⊢ (¬ 𝑅 ∈ V → (ℤring RingHom 𝑅) = ∅) |
12 | 11 | unieqd 4921 | . . . . 5 ⊢ (¬ 𝑅 ∈ V → ∪ (ℤring RingHom 𝑅) = ∪ ∅) |
13 | uni0 4938 | . . . . 5 ⊢ ∪ ∅ = ∅ | |
14 | 12, 13 | eqtrdi 2784 | . . . 4 ⊢ (¬ 𝑅 ∈ V → ∪ (ℤring RingHom 𝑅) = ∅) |
15 | 8, 14 | eqtr4d 2771 | . . 3 ⊢ (¬ 𝑅 ∈ V → (ℤRHom‘𝑅) = ∪ (ℤring RingHom 𝑅)) |
16 | 7, 15 | pm2.61i 182 | . 2 ⊢ (ℤRHom‘𝑅) = ∪ (ℤring RingHom 𝑅) |
17 | 1, 16 | eqtri 2756 | 1 ⊢ 𝐿 = ∪ (ℤring RingHom 𝑅) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 = wceq 1534 ∈ wcel 2099 Vcvv 3471 ∩ cin 3946 ∅c0 4323 ∪ cuni 4908 ‘cfv 6548 (class class class)co 7420 MndHom cmhm 18738 GrpHom cghm 19167 mulGrpcmgp 20074 Ringcrg 20173 RingHom crh 20408 ℤringczring 21372 ℤRHomczrh 21425 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-cnex 11195 ax-resscn 11196 ax-1cn 11197 ax-icn 11198 ax-addcl 11199 ax-addrcl 11200 ax-mulcl 11201 ax-mulrcl 11202 ax-mulcom 11203 ax-addass 11204 ax-mulass 11205 ax-distr 11206 ax-i2m1 11207 ax-1ne0 11208 ax-1rid 11209 ax-rnegex 11210 ax-rrecex 11211 ax-cnre 11212 ax-pre-lttri 11213 ax-pre-lttrn 11214 ax-pre-ltadd 11215 ax-pre-mulgt0 11216 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-iun 4998 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6305 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7871 df-2nd 7994 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-er 8725 df-map 8847 df-en 8965 df-dom 8966 df-sdom 8967 df-pnf 11281 df-mnf 11282 df-xr 11283 df-ltxr 11284 df-le 11285 df-sub 11477 df-neg 11478 df-nn 12244 df-2 12306 df-sets 17133 df-slot 17151 df-ndx 17163 df-base 17181 df-plusg 17246 df-0g 17423 df-mhm 18740 df-ghm 19168 df-mgp 20075 df-ur 20122 df-ring 20175 df-rhm 20411 df-zrh 21429 |
This theorem is referenced by: zrhval2 21434 zrhpropd 21440 |
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