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| Mirrors > Home > MPE Home > Th. List > ringlz | Structured version Visualization version GIF version | ||
| Description: The zero of a unital ring is a left-absorbing element. (Contributed by FL, 31-Aug-2009.) (Proof shortened by AV, 30-Mar-2025.) |
| Ref | Expression |
|---|---|
| ringz.b | ⊢ 𝐵 = (Base‘𝑅) |
| ringz.t | ⊢ · = (.r‘𝑅) |
| ringz.z | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| ringlz | ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ringrng 20547 | . 2 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Rng) | |
| 2 | ringz.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 3 | ringz.t | . . 3 ⊢ · = (.r‘𝑅) | |
| 4 | ringz.z | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 5 | 2, 3, 4 | rnglz 20420 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
| 6 | 1, 5 | sylan 592 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ‘cfv 6561 (class class class)co 7446 Basecbs 17419 .rcmulr 17461 0gc0g 17642 Rngcrng 20407 Ringcrg 20492 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-cnex 11286 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-pre-mulgt0 11307 |
| 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 2102 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 5172 df-mpt 5191 df-tr 5217 df-id 5551 df-eprel 5556 df-po 5564 df-so 5565 df-fr 5609 df-we 5611 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-pred 6325 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-om 7905 df-2nd 8029 df-frecs 8330 df-wrecs 8361 df-recs 8410 df-rdg 8449 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-xr 11377 df-ltxr 11378 df-le 11379 df-sub 11573 df-neg 11574 df-nn 12366 df-2 12435 df-sets 17374 df-slot 17392 df-ndx 17404 df-base 17420 df-plusg 17473 df-0g 17644 df-mgm 18848 df-sgrp 18940 df-mnd 18956 df-grp 19179 df-minusg 19180 df-cmn 20029 df-abl 20030 df-mgp 20394 df-rng 20408 df-ur 20441 df-ring 20494 |
| This theorem is used by: ringlzd 20559 ringsrg 20561 ring1eq0 20562 ringnegl 20566 mulgass2 20573 gsumdixp 20581 dvdsr01 20634 0unit 20659 irredn0 20686 zrrnghm 20821 cntzsubr 20891 domneq0 20993 isdrng5 21041 isdrngd 21055 cntzsdrg 21092 isabvd 21102 drngidl 21572 dvdschrmulg 21867 frlmphllem 22119 psrlidm 22302 mplsubrglem 22344 mplmonmul 22378 evlslem4 22418 evlslem3 22422 evlslem6 22423 coe1tmmul 22629 cply1mul 22647 evls1fpws 22720 mamulid 22789 dmatmul 22845 scmatscm 22861 1mavmul 22896 mdetdiaglem 22946 mdetr0 22953 mdegmullem 26429 coe1mul3 26450 fta1glem1 26519 rmfsupp2 33874 elrspunidl 34062 elrspunsn 34063 fedgmullem1 34344 lflsc0N 40343 hdmapinvlem3 43180 hdmapinvlem4 43181 fldhmf1 43343 evlsbagval 43818 mnringmulrcld 45429 zlidlring 49546 rmsupp0 49695 ply1mulgsumlem2 49714 |
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