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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 20266 | . 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 20146 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
| 6 | 1, 5 | sylan 581 | 1 ⊢ ((𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵) → ( 0 · 𝑋) = 0 ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ‘cfv 6498 (class class class)co 7367 Basecbs 17179 .rcmulr 17221 0gc0g 17402 Rngcrng 20133 Ringcrg 20214 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-2 12244 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-plusg 17233 df-0g 17404 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-grp 18912 df-minusg 18913 df-cmn 19757 df-abl 19758 df-mgp 20122 df-rng 20134 df-ur 20163 df-ring 20216 |
| This theorem is referenced by: ringlzd 20276 ringsrg 20278 ring1eq0 20279 ringnegl 20283 mulgass2 20290 gsumdixp 20298 dvdsr01 20351 0unit 20376 irredn0 20403 zrrnghm 20513 cntzsubr 20583 domneq0 20685 drngmul0orOLD 20738 isdrngd 20742 cntzsdrg 20779 isabvd 20789 dvdschrmulg 21508 frlmphllem 21760 psrlidm 21940 mplsubrglem 21982 mplmonmul 22014 evlslem4 22054 evlslem3 22058 evlslem6 22059 coe1tmmul 22242 cply1mul 22261 evls1fpws 22334 mamulid 22406 dmatmul 22462 scmatscm 22478 1mavmul 22513 mdetdiaglem 22563 mdetr0 22570 mdegmullem 26043 coe1mul3 26064 fta1glem1 26133 rmfsupp2 33299 elrspunidl 33488 elrspunsn 33489 drngidl 33493 fedgmullem1 33773 lflsc0N 39529 hdmapinvlem3 42366 hdmapinvlem4 42367 fldhmf1 42529 evlsbagval 43002 mnringmulrcld 44655 zlidlring 48710 rmsupp0 48844 ply1mulgsumlem2 48863 |
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