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| Mirrors > Home > MPE Home > Th. List > ress0g | Structured version Visualization version GIF version | ||
| Description: 0g is unaffected by restriction. This is a bit more generic than submnd0 18872. (Contributed by Thierry Arnoux, 23-Oct-2017.) (Proof shortened by AV, 12-Aug-2026.) |
| Ref | Expression |
|---|---|
| ress0g.s | ⊢ 𝑆 = (𝑅 ↾s 𝐴) |
| ress0g.b | ⊢ 𝐵 = (Base‘𝑅) |
| ress0g.0 | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| ress0g | ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 0 = (0g‘𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ress0g.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | eqid 2760 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 3 | ress0g.0 | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 4 | 1, 2 | mndid 18849 | . . . 4 ⊢ (𝑅 ∈ Mnd → ∃𝑢 ∈ 𝐵 ∀𝑥 ∈ 𝐵 ((𝑢(+g‘𝑅)𝑥) = 𝑥 ∧ (𝑥(+g‘𝑅)𝑢) = 𝑥)) |
| 5 | 4 | 3ad2ant1 1151 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → ∃𝑢 ∈ 𝐵 ∀𝑥 ∈ 𝐵 ((𝑢(+g‘𝑅)𝑥) = 𝑥 ∧ (𝑥(+g‘𝑅)𝑢) = 𝑥)) |
| 6 | ress0g.s | . . 3 ⊢ 𝑆 = (𝑅 ↾s 𝐴) | |
| 7 | simp3 1156 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐴 ⊆ 𝐵) | |
| 8 | simp2 1155 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 0 ∈ 𝐴) | |
| 9 | 1, 2, 3, 5, 6, 7, 8 | idressid 18778 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → (0g‘𝑆) = 0 ) |
| 10 | 9 | eqcomd 2766 | 1 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 0 = (0g‘𝑆)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ∀wral 3076 ∃wrex 3086 ⊆ wss 3899 ‘cfv 6533 (class class class)co 7414 Basecbs 17304 ↾s cress 17325 +gcplusg 17345 0gc0g 17527 Mndcmnd 18839 |
| 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 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 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-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-sets 17259 df-slot 17277 df-ndx 17289 df-base 17305 df-ress 17326 df-plusg 17358 df-0g 17529 df-mgm 18733 df-sgrp 18824 df-mnd 18840 |
| This theorem is used by: submnd0 18872 isdrng3lem1 20917 rngqiprngimf1 21506 nn0srg 21653 rge0srg 21654 zring0 21674 fermltlchr 21745 re0g 21828 ressnm 33407 psgnid 33540 cnmsgn0g 33589 altgnsg 33592 subrdom 33728 xrge0slmod 33791 znfermltl 33804 ressply1invg 33982 vr1nz 34006 drgext0gsca 34105 lbslsat 34129 ply1degltdimlem 34135 dimkerim 34140 fedgmullem2 34143 lvecendof1f1o 34146 evls1fldgencl 34183 fldextrspunlsplem 34186 fldextrspunlsp 34187 extdgfialglem1 34205 extdgfialglem2 34206 algextdeglem4 34233 algextdeglem5 34234 rtelextdg2lem 34239 primrootsunit1 42966 aks6d1c6lem5 43046 unitscyglem5 43068 2zrng0 49162 |
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