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 41667 | . . . . . . 7 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Abel) | |
2 | ablgrp 18021 | . . . . . . 7 ⊢ (𝑅 ∈ Abel → 𝑅 ∈ Grp) | |
3 | 1, 2 | syl 17 | . . . . . 6 ⊢ (𝑅 ∈ Rng → 𝑅 ∈ Grp) |
4 | rngcl.b | . . . . . . . 8 ⊢ 𝐵 = (Base‘𝑅) | |
5 | rnglz.z | . . . . . . . 8 ⊢ 0 = (0g‘𝑅) | |
6 | 4, 5 | grpidcl 17273 | . . . . . . 7 ⊢ (𝑅 ∈ Grp → 0 ∈ 𝐵) |
7 | eqid 2610 | . . . . . . . 8 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
8 | 4, 7, 5 | grplid 17275 | . . . . . . 7 ⊢ ((𝑅 ∈ Grp ∧ 0 ∈ 𝐵) → ( 0 (+g‘𝑅) 0 ) = 0 ) |
9 | 6, 8 | mpdan 699 | . . . . . 6 ⊢ (𝑅 ∈ Grp → ( 0 (+g‘𝑅) 0 ) = 0 ) |
10 | 3, 9 | syl 17 | . . . . 5 ⊢ (𝑅 ∈ Rng → ( 0 (+g‘𝑅) 0 ) = 0 ) |
11 | 10 | adantr 480 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 (+g‘𝑅) 0 ) = 0 ) |
12 | 11 | oveq1d 6564 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = ( 0 · 𝑋)) |
13 | simpl 472 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Rng) | |
14 | 3, 6 | syl 17 | . . . . . . 7 ⊢ (𝑅 ∈ Rng → 0 ∈ 𝐵) |
15 | 14, 14 | jca 553 | . . . . . 6 ⊢ (𝑅 ∈ Rng → ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵)) |
16 | 15 | anim1i 590 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵) ∧ 𝑋 ∈ 𝐵)) |
17 | df-3an 1033 | . . . . 5 ⊢ (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) ↔ (( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵) ∧ 𝑋 ∈ 𝐵)) | |
18 | 16, 17 | sylibr 223 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) |
19 | rngcl.t | . . . . 5 ⊢ · = (.r‘𝑅) | |
20 | 4, 7, 19 | rngdir 41672 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ ( 0 ∈ 𝐵 ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵)) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋))) |
21 | 13, 18, 20 | syl2anc 691 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 (+g‘𝑅) 0 ) · 𝑋) = (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋))) |
22 | 3 | adantr 480 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑅 ∈ Grp) |
23 | 14 | adantr 480 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 0 ∈ 𝐵) |
24 | simpr 476 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
25 | 4, 19 | rngcl 41673 | . . . . 5 ⊢ ((𝑅 ∈ Rng ∧ 0 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) ∈ 𝐵) |
26 | 13, 23, 24, 25 | syl3anc 1318 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) ∈ 𝐵) |
27 | 4, 7, 5 | grprid 17276 | . . . . 5 ⊢ ((𝑅 ∈ Grp ∧ ( 0 · 𝑋) ∈ 𝐵) → (( 0 · 𝑋)(+g‘𝑅) 0 ) = ( 0 · 𝑋)) |
28 | 27 | eqcomd 2616 | . . . 4 ⊢ ((𝑅 ∈ Grp ∧ ( 0 · 𝑋) ∈ 𝐵) → ( 0 · 𝑋) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
29 | 22, 26, 28 | syl2anc 691 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
30 | 12, 21, 29 | 3eqtr3d 2652 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → (( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋)) = (( 0 · 𝑋)(+g‘𝑅) 0 )) |
31 | 4, 7 | grplcan 17300 | . . 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 )) |
32 | 22, 26, 23, 26, 31 | syl13anc 1320 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ((( 0 · 𝑋)(+g‘𝑅)( 0 · 𝑋)) = (( 0 · 𝑋)(+g‘𝑅) 0 ) ↔ ( 0 · 𝑋) = 0 )) |
33 | 30, 32 | mpbid 221 | 1 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 ∧ w3a 1031 = wceq 1475 ∈ wcel 1977 ‘cfv 5804 (class class class)co 6549 Basecbs 15695 +gcplusg 15768 .rcmulr 15769 0gc0g 15923 Grpcgrp 17245 Abelcabl 18017 Rngcrng 41664 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-rep 4699 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-nn 10898 df-2 10956 df-ndx 15698 df-slot 15699 df-base 15700 df-sets 15701 df-plusg 15781 df-0g 15925 df-mgm 17065 df-sgrp 17107 df-mnd 17118 df-grp 17248 df-minusg 17249 df-abl 18019 df-mgp 18313 df-rng0 41665 |
This theorem is referenced by: zrrnghm 41707 |
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