Mathbox for Alexander van der Vekens |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > rnglz | Structured version Visualization version GIF version |
Description: The zero of a nonunital ring is a left-absorbing element. (Contributed by AV, 17-Apr-2020.) |
Ref | Expression |
---|---|
rngcl.b | ⊢ 𝐵 = (Base‘𝑅) |
rngcl.t | ⊢ · = (.r‘𝑅) |
rnglz.z | ⊢ 0 = (0g‘𝑅) |
Ref | Expression |
---|---|
rnglz | ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rngabl 45051 | . . . . . . 7 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Abel) | |
2 | ablgrp 19129 | . . . . . . 7 ⊢ (𝑅 ∈ Abel → 𝑅 ∈ Grp) | |
3 | 1, 2 | syl 17 | . . . . . 6 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Grp) |
4 | rngcl.b | . . . . . . 7 ⊢ 𝐵 = (Base‘𝑅) | |
5 | rnglz.z | . . . . . . 7 ⊢ 0 = (0g‘𝑅) | |
6 | 4, 5 | grpidcl 18349 | . . . . . 6 ⊢ (𝑅 ∈ Grp → 0 ∈ 𝐵) |
7 | eqid 2736 | . . . . . . 7 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
8 | 4, 7, 5 | grplid 18351 | . . . . . 6 ⊢ ((𝑅 ∈ Grp ∧ 0 ∈ 𝐵) → ( 0 (+g‘𝑅) 0 ) = 0 ) |
9 | 3, 6, 8 | syl2anc2 588 | . . . . 5 ⊢ (𝑅 ∈ Rng → ( 0 (+g‘𝑅) 0 ) = 0 ) |
10 | 9 | adantr 484 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 (+g‘𝑅) 0 ) = 0 ) |
11 | 10 | oveq1d 7206 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = ( 0 · 𝑋)) |
12 | simpl 486 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Rng) | |
13 | 3, 6 | syl 17 | . . . . . . 7 ⊢ (𝑅 ∈ Rng → 0 ∈ 𝐵) |
14 | 13, 13 | jca 515 | . . . . . 6 ⊢ (𝑅 ∈ Rng → ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵)) |
15 | 14 | anim1i 618 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵) ∧ 𝑋 ∈ 𝐵)) |
16 | df-3an 1091 | . . . . 5 ⊢ (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ↔ (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵) ∧ 𝑋 ∈ 𝐵)) | |
17 | 15, 16 | sylibr 237 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) |
18 | rngcl.t | . . . . 5 ⊢ · = (.r‘𝑅) | |
19 | 4, 7, 18 | rngdir 45056 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋))) |
20 | 12, 17, 19 | syl2anc 587 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋))) |
21 | 3 | adantr 484 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Grp) |
22 | 13 | adantr 484 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 0 ∈ 𝐵) |
23 | simpr 488 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
24 | 4, 18 | rngcl 45057 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) ∈ 𝐵) |
25 | 12, 22, 23, 24 | syl3anc 1373 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) ∈ 𝐵) |
26 | 4, 7, 5 | grprid 18352 | . . . . 5 ⊢ ((𝑅 ∈ Grp ∧ ( 0 · 𝑋) ∈ 𝐵) → (( 0 · 𝑋)(+g‘𝑅) 0 ) = ( 0 · 𝑋)) |
27 | 26 | eqcomd 2742 | . . . 4 ⊢ ((𝑅 ∈ Grp ∧ ( 0 · 𝑋) ∈ 𝐵) → ( 0 · 𝑋) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
28 | 21, 25, 27 | syl2anc 587 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
29 | 11, 20, 28 | 3eqtr3d 2779 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋)) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
30 | 4, 7 | grplcan 18379 | . . 3 ⊢ ((𝑅 ∈ Grp ∧ (( 0 · 𝑋) ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ ( 0 · 𝑋) ∈ 𝐵)) → ((( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋)) = (( 0 · 𝑋)(+g‘𝑅) 0 ) ↔ ( 0 · 𝑋) = 0 )) |
31 | 21, 25, 22, 25, 30 | syl13anc 1374 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ((( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋)) = (( 0 · 𝑋)(+g‘𝑅) 0 ) ↔ ( 0 · 𝑋) = 0 )) |
32 | 29, 31 | mpbid 235 | 1 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2112 ‘cfv 6358 (class class class)co 7191 Basecbs 16666 +gcplusg 16749 .rcmulr 16750 0gc0g 16898 Grpcgrp 18319 Abelcabl 19125 Rngcrng 45048 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-nn 11796 df-2 11858 df-ndx 16669 df-slot 16670 df-base 16672 df-sets 16673 df-plusg 16762 df-0g 16900 df-mgm 18068 df-sgrp 18117 df-mnd 18128 df-grp 18322 df-minusg 18323 df-abl 19127 df-mgp 19459 df-rng0 45049 |
This theorem is referenced by: zrrnghm 45091 |
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