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| Mirrors > Home > MPE Home > Th. List > Mathboxes > idomrcan | Structured version Visualization version GIF version | ||
| Description: Right-cancellation law for integral domains. (Contributed by Thierry Arnoux, 22-Mar-2025.) (Proof shortened by SN, 21-Jun-2025.) |
| Ref | Expression |
|---|---|
| idomrcan.b | ⊢ 𝐵 = (Base‘𝑅) |
| idomrcan.0 | ⊢ 0 = (0g‘𝑅) |
| idomrcan.m | ⊢ · = (.r‘𝑅) |
| idomrcan.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| idomrcan.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| idomrcan.z | ⊢ (𝜑 → 𝑍 ∈ (𝐵 ∖ { 0 })) |
| idomrcan.r | ⊢ (𝜑 → 𝑅 ∈ IDomn) |
| idomrcan.1 | ⊢ (𝜑 → (𝑋 · 𝑍) = (𝑌 · 𝑍)) |
| Ref | Expression |
|---|---|
| idomrcan | ⊢ (𝜑 → 𝑋 = 𝑌) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | idomrcan.b | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | idomrcan.0 | . 2 ⊢ 0 = (0g‘𝑅) | |
| 3 | idomrcan.m | . 2 ⊢ · = (.r‘𝑅) | |
| 4 | idomrcan.x | . 2 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 5 | idomrcan.y | . 2 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 6 | idomrcan.z | . 2 ⊢ (𝜑 → 𝑍 ∈ (𝐵 ∖ { 0 })) | |
| 7 | idomrcan.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ IDomn) | |
| 8 | 7 | idomdomd 20890 | . 2 ⊢ (𝜑 → 𝑅 ∈ Domn) |
| 9 | idomrcan.1 | . 2 ⊢ (𝜑 → (𝑋 · 𝑍) = (𝑌 · 𝑍)) | |
| 10 | 1, 2, 3, 4, 5, 6, 8, 9 | domnrcan 20887 | 1 ⊢ (𝜑 → 𝑋 = 𝑌) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∖ cdif 3896 {csn 4584 ‘cfv 6533 (class class class)co 7414 Basecbs 17304 .rcmulr 17346 0gc0g 17527 IDomncidom 20858 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-tpos 8225 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-sets 17259 df-slot 17277 df-ndx 17289 df-base 17305 df-plusg 17358 df-mulr 17359 df-0g 17529 df-mgm 18733 df-sgrp 18824 df-mnd 18840 df-grp 19063 df-minusg 19064 df-sbg 19065 df-cmn 19912 df-abl 19913 df-mgp 20277 df-rng 20291 df-ur 20324 df-ring 20377 df-oppr 20481 df-nzr 20676 df-domn 20860 df-idom 20861 |
| This theorem is used by: fracfld 33752 dvdsruasso 33821 mxidlirredi 33877 rprmirredlem 33943 1arithidomlem1 33948 1arithufdlem3 33959 |
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