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| Mirrors > Home > MPE Home > Th. List > zrh0 | Structured version Visualization version GIF version | ||
| Description: Interpretation of 0 in a ring. (Contributed by Stefan O'Rear, 6-Sep-2015.) |
| Ref | Expression |
|---|---|
| zrh0.l | ⊢ 𝐿 = (ℤRHom‘𝑅) |
| zrh0.z | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| zrh0 | ⊢ (𝑅 ∈ Ring → (𝐿‘0) = 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zrh0.l | . . 3 ⊢ 𝐿 = (ℤRHom‘𝑅) | |
| 2 | 1 | zrhrhm 21715 | . 2 ⊢ (𝑅 ∈ Ring → 𝐿 ∈ (ℤring RingHom 𝑅)) |
| 3 | rhmghm 20616 | . 2 ⊢ (𝐿 ∈ (ℤring RingHom 𝑅) → 𝐿 ∈ (ℤring GrpHom 𝑅)) | |
| 4 | zring0 21662 | . . 3 ⊢ 0 = (0g‘ℤring) | |
| 5 | zrh0.z | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 6 | 4, 5 | ghmid 19340 | . 2 ⊢ (𝐿 ∈ (ℤring GrpHom 𝑅) → (𝐿‘0) = 0 ) |
| 7 | 2, 3, 6 | 3syl 19 | 1 ⊢ (𝑅 ∈ Ring → (𝐿‘0) = 0 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 ‘cfv 6540 (class class class)co 7419 0cc0 11119 0gc0g 17518 GrpHom cghm 19331 Ringcrg 20363 RingHom crh 20601 ℤringczring 21650 ℤRHomczrh 21703 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11175 ax-resscn 11176 ax-1cn 11177 ax-icn 11178 ax-addcl 11179 ax-addrcl 11180 ax-mulcl 11181 ax-mulrcl 11182 ax-mulcom 11183 ax-addass 11184 ax-mulass 11185 ax-distr 11186 ax-i2m1 11187 ax-1ne0 11188 ax-1rid 11189 ax-rnegex 11190 ax-rrecex 11191 ax-cnre 11192 ax-pre-lttri 11193 ax-pre-lttrn 11194 ax-pre-ltadd 11195 ax-pre-mulgt0 11196 ax-addf 11198 ax-mulf 11199 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-er 8700 df-map 8832 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-pnf 11264 df-mnf 11265 df-xr 11266 df-ltxr 11267 df-le 11268 df-sub 11462 df-neg 11463 df-nn 12253 df-2 12322 df-3 12323 df-4 12324 df-5 12325 df-6 12326 df-7 12327 df-8 12328 df-9 12329 df-n0 12524 df-z 12611 df-dec 12732 df-uz 12883 df-fz 13556 df-seq 14060 df-struct 17233 df-sets 17250 df-slot 17268 df-ndx 17280 df-base 17296 df-ress 17317 df-plusg 17349 df-mulr 17350 df-starv 17351 df-tset 17355 df-ple 17356 df-ds 17358 df-unif 17359 df-0g 17520 df-mgm 18724 df-sgrp 18813 df-mnd 18829 df-mhm 18882 df-grp 19051 df-minusg 19052 df-mulg 19182 df-subg 19237 df-ghm 19332 df-cmn 19900 df-abl 19901 df-mgp 20265 df-rng 20279 df-ur 20312 df-ring 20365 df-cring 20366 df-rhm 20604 df-subrng 20699 df-subrg 20723 df-cnfld 21577 df-zring 21651 df-zrh 21707 |
| This theorem is used by: esplyfval0 34022 esplyfval2 34023 esplympl 34025 esplymhp 34026 esplyfv1 34027 esplyfv 34028 esplyfval3 34030 zrhcntr 34437 qqh0 34442 aks6d1c1 42945 aks6d1c5lem2 42967 |
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