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| Mirrors > Home > ILE Home > Th. List > ress0g | GIF version | ||
| Description: 0g is unaffected by restriction. This is a bit more generic than submnd0 13705. (Contributed by Thierry Arnoux, 23-Oct-2017.) |
| 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.s | . . . 4 ⊢ 𝑆 = (𝑅 ↾s 𝐴) | |
| 2 | 1 | a1i 9 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝑆 = (𝑅 ↾s 𝐴)) |
| 3 | ress0g.b | . . . 4 ⊢ 𝐵 = (Base‘𝑅) | |
| 4 | 3 | a1i 9 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐵 = (Base‘𝑅)) |
| 5 | simp1 1024 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝑅 ∈ Mnd) | |
| 6 | simp3 1026 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐴 ⊆ 𝐵) | |
| 7 | 2, 4, 5, 6 | ressbas2d 13365 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐴 = (Base‘𝑆)) |
| 8 | eqidd 2235 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → (+g‘𝑅) = (+g‘𝑅)) | |
| 9 | basfn 13355 | . . . . . 6 ⊢ Base Fn V | |
| 10 | 5 | elexd 2829 | . . . . . 6 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝑅 ∈ V) |
| 11 | funfvex 5692 | . . . . . . 7 ⊢ ((Fun Base ∧ 𝑅 ∈ dom Base) → (Base‘𝑅) ∈ V) | |
| 12 | 11 | funfni 5463 | . . . . . 6 ⊢ ((Base Fn V ∧ 𝑅 ∈ V) → (Base‘𝑅) ∈ V) |
| 13 | 9, 10, 12 | sylancr 414 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → (Base‘𝑅) ∈ V) |
| 14 | 3, 13 | eqeltrid 2321 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐵 ∈ V) |
| 15 | 14, 6 | ssexd 4255 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 𝐴 ∈ V) |
| 16 | 2, 8, 15, 5 | ressplusgd 13426 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → (+g‘𝑅) = (+g‘𝑆)) |
| 17 | simp2 1025 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 0 ∈ 𝐴) | |
| 18 | simpl1 1027 | . . 3 ⊢ (((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝑅 ∈ Mnd) | |
| 19 | 6 | sselda 3242 | . . 3 ⊢ (((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) ∧ 𝑥 ∈ 𝐴) → 𝑥 ∈ 𝐵) |
| 20 | eqid 2234 | . . . 4 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
| 21 | ress0g.0 | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 22 | 3, 20, 21 | mndlid 13696 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ 𝐵) → ( 0 (+g‘𝑅)𝑥) = 𝑥) |
| 23 | 18, 19, 22 | syl2anc 411 | . 2 ⊢ (((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) ∧ 𝑥 ∈ 𝐴) → ( 0 (+g‘𝑅)𝑥) = 𝑥) |
| 24 | 3, 20, 21 | mndrid 13697 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ 𝐵) → (𝑥(+g‘𝑅) 0 ) = 𝑥) |
| 25 | 18, 19, 24 | syl2anc 411 | . 2 ⊢ (((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) ∧ 𝑥 ∈ 𝐴) → (𝑥(+g‘𝑅) 0 ) = 𝑥) |
| 26 | 7, 16, 17, 23, 25 | grpidd 13646 | 1 ⊢ ((𝑅 ∈ Mnd ∧ 0 ∈ 𝐴 ∧ 𝐴 ⊆ 𝐵) → 0 = (0g‘𝑆)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1005 = wceq 1398 ∈ wcel 2205 Vcvv 2815 ⊆ wss 3214 Fn wfn 5352 ‘cfv 5357 (class class class)co 6058 Basecbs 13296 ↾s cress 13297 +gcplusg 13374 0gc0g 13553 Mndcmnd 13677 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-i2m1 8248 ax-0lt1 8249 ax-0id 8251 ax-rnegex 8252 ax-pre-ltirr 8255 ax-pre-ltadd 8259 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-pnf 8326 df-mnf 8327 df-ltxr 8329 df-inn 9255 df-2 9313 df-ndx 13299 df-slot 13300 df-base 13302 df-sets 13303 df-iress 13304 df-plusg 13387 df-0g 13555 df-mgm 13619 df-sgrp 13665 df-mnd 13678 |
| This theorem is referenced by: submnd0 13705 zring0 14874 |
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