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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 18971. (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 2763 | . . 3 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 3 | ress0g.0 | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 4 | 1, 2 | mndid 18948 | . . . 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 18877 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → (0g‘𝑆) = 0 ) |
| 10 | 9 | eqcomd 2769 | 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 1569 ∈ wcel 2146 ∀wral 3080 ∃wrex 3090 ⊆ wss 3900 ‘cfv 6547 (class class class)co 7430 Basecbs 17402 ↾s cress 17423 +gcplusg 17443 0gc0g 17625 Mndcmnd 18938 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 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 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7888 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-nn 12349 df-2 12418 df-sets 17357 df-slot 17375 df-ndx 17387 df-base 17403 df-ress 17424 df-plusg 17456 df-0g 17627 df-mgm 18831 df-sgrp 18923 df-mnd 18939 |
| This theorem is used by: submnd0 18971 isdrng3lem1 21020 rngqiprngimf1 21611 nn0srg 21758 rge0srg 21759 zring0 21779 fermltlchr 21850 re0g 21933 ressnm 33581 psgnid 33714 cnmsgn0g 33763 altgnsg 33766 subrdom 33902 xrge0slmod 33965 znfermltl 33978 ressply1invg 34157 vr1nz 34181 drgext0gsca 34280 lbslsat 34304 ply1degltdimlem 34310 dimkerim 34315 fedgmullem2 34318 lvecendof1f1o 34321 evls1fldgencl 34358 fldextrspunlsplem 34361 fldextrspunlsp 34362 extdgfialglem1 34380 extdgfialglem2 34381 algextdeglem4 34408 algextdeglem5 34409 rtelextdg2lem 34414 primrootsunit1 43290 aks6d1c6lem5 43370 unitscyglem5 43392 2zrng0 49483 |
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