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Mirrors > Home > MPE Home > Th. List > ringcomlem | Structured version Visualization version GIF version |
Description: Lemma for ringcom 20220. This (formerly) part of the proof for ringcom 20220 is also applicable for semirings (without using the commutativity of the addition given per definition of a semiring), see srgcom4lem 20157. (Contributed by GΓ©rard Lang, 4-Dec-2014.) Variant of rglcom4d 20155 for rings. (Revised by AV, 5-Feb-2025.) |
Ref | Expression |
---|---|
ringacl.b | β’ π΅ = (Baseβπ ) |
ringacl.p | β’ + = (+gβπ ) |
Ref | Expression |
---|---|
ringcomlem | β’ ((π β Ring β§ π β π΅ β§ π β π΅) β ((π + π) + (π + π)) = ((π + π) + (π + π))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ringacl.b | . . . . 5 β’ π΅ = (Baseβπ ) | |
2 | ringacl.p | . . . . 5 β’ + = (+gβπ ) | |
3 | eqid 2725 | . . . . 5 β’ (.rβπ ) = (.rβπ ) | |
4 | 1, 2, 3 | ringdir 20205 | . . . 4 β’ ((π β Ring β§ (π₯ β π΅ β§ π¦ β π΅ β§ π§ β π΅)) β ((π₯ + π¦)(.rβπ )π§) = ((π₯(.rβπ )π§) + (π¦(.rβπ )π§))) |
5 | 4 | ralrimivvva 3194 | . . 3 β’ (π β Ring β βπ₯ β π΅ βπ¦ β π΅ βπ§ β π΅ ((π₯ + π¦)(.rβπ )π§) = ((π₯(.rβπ )π§) + (π¦(.rβπ )π§))) |
6 | 5 | 3ad2ant1 1130 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β βπ₯ β π΅ βπ¦ β π΅ βπ§ β π΅ ((π₯ + π¦)(.rβπ )π§) = ((π₯(.rβπ )π§) + (π¦(.rβπ )π§))) |
7 | eqid 2725 | . . . 4 β’ (1rβπ ) = (1rβπ ) | |
8 | 1, 7 | ringidcl 20206 | . . 3 β’ (π β Ring β (1rβπ ) β π΅) |
9 | 8 | 3ad2ant1 1130 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β (1rβπ ) β π΅) |
10 | 1, 3, 7 | ringlidm 20209 | . . . 4 β’ ((π β Ring β§ π₯ β π΅) β ((1rβπ )(.rβπ )π₯) = π₯) |
11 | 10 | ralrimiva 3136 | . . 3 β’ (π β Ring β βπ₯ β π΅ ((1rβπ )(.rβπ )π₯) = π₯) |
12 | 11 | 3ad2ant1 1130 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β βπ₯ β π΅ ((1rβπ )(.rβπ )π₯) = π₯) |
13 | simp2 1134 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β π β π΅) | |
14 | 1, 2 | ringacl 20218 | . . . . 5 β’ ((π β Ring β§ π₯ β π΅ β§ π¦ β π΅) β (π₯ + π¦) β π΅) |
15 | 14 | 3expb 1117 | . . . 4 β’ ((π β Ring β§ (π₯ β π΅ β§ π¦ β π΅)) β (π₯ + π¦) β π΅) |
16 | 15 | ralrimivva 3191 | . . 3 β’ (π β Ring β βπ₯ β π΅ βπ¦ β π΅ (π₯ + π¦) β π΅) |
17 | 16 | 3ad2ant1 1130 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β βπ₯ β π΅ βπ¦ β π΅ (π₯ + π¦) β π΅) |
18 | 1, 2, 3 | ringdi 20204 | . . . 4 β’ ((π β Ring β§ (π₯ β π΅ β§ π¦ β π΅ β§ π§ β π΅)) β (π₯(.rβπ )(π¦ + π§)) = ((π₯(.rβπ )π¦) + (π₯(.rβπ )π§))) |
19 | 18 | ralrimivvva 3194 | . . 3 β’ (π β Ring β βπ₯ β π΅ βπ¦ β π΅ βπ§ β π΅ (π₯(.rβπ )(π¦ + π§)) = ((π₯(.rβπ )π¦) + (π₯(.rβπ )π§))) |
20 | 19 | 3ad2ant1 1130 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β βπ₯ β π΅ βπ¦ β π΅ βπ§ β π΅ (π₯(.rβπ )(π¦ + π§)) = ((π₯(.rβπ )π¦) + (π₯(.rβπ )π§))) |
21 | simp3 1135 | . 2 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β π β π΅) | |
22 | 6, 9, 12, 13, 17, 20, 21 | rglcom4d 20155 | 1 β’ ((π β Ring β§ π β π΅ β§ π β π΅) β ((π + π) + (π + π)) = ((π + π) + (π + π))) |
Colors of variables: wff setvar class |
Syntax hints: β wi 4 β§ w3a 1084 = wceq 1533 β wcel 2098 βwral 3051 βcfv 6543 (class class class)co 7416 Basecbs 17179 +gcplusg 17232 .rcmulr 17233 1rcur 20125 Ringcrg 20177 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-2nd 7992 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-er 8723 df-en 8963 df-dom 8964 df-sdom 8965 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-plusg 17245 df-0g 17422 df-mgm 18599 df-sgrp 18678 df-mnd 18694 df-grp 18897 df-mgp 20079 df-ur 20126 df-ring 20179 |
This theorem is referenced by: ringcom 20220 |
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