Theorem aprcotr 14535

Description: The apartness relation given by df-apr 14528 for a local ring is cotransitive. (Contributed by Jim Kingdon, 17-Feb-2025.)

Hypotheses

Ref	Expression
aprcotr.b	|- ( ph -> B = ( Base ` R ) )
aprcotr.ap	|- ( ph -> # = (#r ` R ) )
aprcotr.r	|- ( ph -> R e. LRing )
aprcotr.x	|- ( ph -> X e. B )
aprcotr.y	|- ( ph -> Y e. B )
aprcotr.z	|- ( ph -> Z e. B )

Assertion

Ref	Expression
aprcotr	|- ( ph -> ( X # Y -> ( X # Z \/ Y # Z ) ) )

Proof of Theorem aprcotr

Step	Hyp	Ref	Expression
1		aprcotr.b	. . . . 5 |- ( ph -> B = ( Base ` R ) )
2	1	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> B = ( Base ` R ) )
3		eqidd 2235	. . . 4 |- ( ( ph /\ X # Y ) -> (Unit ` R ) = (Unit ` R ) )
4		eqidd 2235	. . . 4 |- ( ( ph /\ X # Y ) -> ( +g ` R ) = ( +g ` R ) )
5		aprcotr.r	. . . . 5 |- ( ph -> R e. LRing )
6	5	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> R e. LRing )
7		lringring 14439	. . . . . . . . 9 |- ( R e. LRing -> R e. Ring )
8	5, 7	syl 14	. . . . . . . 8 |- ( ph -> R e. Ring )
9	8	ringgrpd 14248	. . . . . . 7 |- ( ph -> R e. Grp )
10		aprcotr.x	. . . . . . . 8 |- ( ph -> X e. B )
11	10, 1	eleqtrd 2313	. . . . . . 7 |- ( ph -> X e. ( Base ` R ) )
12		aprcotr.z	. . . . . . . 8 |- ( ph -> Z e. B )
13	12, 1	eleqtrd 2313	. . . . . . 7 |- ( ph -> Z e. ( Base ` R ) )
14		aprcotr.y	. . . . . . . 8 |- ( ph -> Y e. B )
15	14, 1	eleqtrd 2313	. . . . . . 7 |- ( ph -> Y e. ( Base ` R ) )
16		eqid 2234	. . . . . . . 8 |- ( Base ` R ) = ( Base ` R )
17		eqid 2234	. . . . . . . 8 |- ( +g ` R ) = ( +g ` R )
18		eqid 2234	. . . . . . . 8 |- ( -g ` R ) = ( -g ` R )
19	16, 17, 18	grpnpncan 13850	. . . . . . 7 |- ( ( R e. Grp /\ ( X e. ( Base ` R ) /\ Z e. ( Base ` R ) /\ Y e. ( Base ` R ) ) ) -> ( ( X ( -g ` R ) Z ) ( +g ` R ) ( Z ( -g ` R ) Y ) ) = ( X ( -g ` R ) Y ) )
20	9, 11, 13, 15, 19	syl13anc 1276	. . . . . 6 |- ( ph -> ( ( X ( -g ` R ) Z ) ( +g ` R ) ( Z ( -g ` R ) Y ) ) = ( X ( -g ` R ) Y ) )
21	20	adantr 276	. . . . 5 |- ( ( ph /\ X # Y ) -> ( ( X ( -g ` R ) Z ) ( +g ` R ) ( Z ( -g ` R ) Y ) ) = ( X ( -g ` R ) Y ) )
22		aprcotr.ap	. . . . . . 7 |- ( ph -> # = (#r ` R ) )
23		eqidd 2235	. . . . . . 7 |- ( ph -> ( -g ` R ) = ( -g ` R ) )
24		eqidd 2235	. . . . . . 7 |- ( ph -> (Unit ` R ) = (Unit ` R ) )
25	1, 22, 23, 24, 8, 10, 14	aprval 14529	. . . . . 6 |- ( ph -> ( X # Y <-> ( X ( -g ` R ) Y ) e. (Unit ` R ) ) )
26	25	biimpa 296	. . . . 5 |- ( ( ph /\ X # Y ) -> ( X ( -g ` R ) Y ) e. (Unit ` R ) )
27	21, 26	eqeltrd 2311	. . . 4 |- ( ( ph /\ X # Y ) -> ( ( X ( -g ` R ) Z ) ( +g ` R ) ( Z ( -g ` R ) Y ) ) e. (Unit ` R ) )
28	16, 18	grpsubcl 13835	. . . . . . 7 |- ( ( R e. Grp /\ X e. ( Base ` R ) /\ Z e. ( Base ` R ) ) -> ( X ( -g ` R ) Z ) e. ( Base ` R ) )
29	9, 11, 13, 28	syl3anc 1274	. . . . . 6 |- ( ph -> ( X ( -g ` R ) Z ) e. ( Base ` R ) )
30	29, 1	eleqtrrd 2314	. . . . 5 |- ( ph -> ( X ( -g ` R ) Z ) e. B )
31	30	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> ( X ( -g ` R ) Z ) e. B )
32	16, 18	grpsubcl 13835	. . . . . . 7 |- ( ( R e. Grp /\ Z e. ( Base ` R ) /\ Y e. ( Base ` R ) ) -> ( Z ( -g ` R ) Y ) e. ( Base ` R ) )
33	9, 13, 15, 32	syl3anc 1274	. . . . . 6 |- ( ph -> ( Z ( -g ` R ) Y ) e. ( Base ` R ) )
34	33, 1	eleqtrrd 2314	. . . . 5 |- ( ph -> ( Z ( -g ` R ) Y ) e. B )
35	34	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> ( Z ( -g ` R ) Y ) e. B )
36	2, 3, 4, 6, 27, 31, 35	lringuplu 14441	. . 3 |- ( ( ph /\ X # Y ) -> ( ( X ( -g ` R ) Z ) e. (Unit ` R ) \/ ( Z ( -g ` R ) Y ) e. (Unit ` R ) ) )
37	1, 22, 23, 24, 8, 10, 12	aprval 14529	. . . . . 6 |- ( ph -> ( X # Z <-> ( X ( -g ` R ) Z ) e. (Unit ` R ) ) )
38	37	biimprd 158	. . . . 5 |- ( ph -> ( ( X ( -g ` R ) Z ) e. (Unit ` R ) -> X # Z ) )
39	38	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> ( ( X ( -g ` R ) Z ) e. (Unit ` R ) -> X # Z ) )
40	1, 22, 23, 24, 8, 12, 14	aprval 14529	. . . . . 6 |- ( ph -> ( Z # Y <-> ( Z ( -g ` R ) Y ) e. (Unit ` R ) ) )
41	1, 22, 8, 12, 14	aprsym 14534	. . . . . 6 |- ( ph -> ( Z # Y -> Y # Z ) )
42	40, 41	sylbird 170	. . . . 5 |- ( ph -> ( ( Z ( -g ` R ) Y ) e. (Unit ` R ) -> Y # Z ) )
43	42	adantr 276	. . . 4 |- ( ( ph /\ X # Y ) -> ( ( Z ( -g ` R ) Y ) e. (Unit ` R ) -> Y # Z ) )
44	39, 43	orim12d 794	. . 3 |- ( ( ph /\ X # Y ) -> ( ( ( X ( -g ` R ) Z ) e. (Unit ` R ) \/ ( Z ( -g ` R ) Y ) e. (Unit ` R ) ) -> ( X # Z \/ Y # Z ) ) )
45	36, 44	mpd 13	. 2 |- ( ( ph /\ X # Y ) -> ( X # Z \/ Y # Z ) )
46	45	ex 115	1 |- ( ph -> ( X # Y -> ( X # Z \/ Y # Z ) ) )

Syntax hints:   -> wi 4   /\ wa 104   \/ wo 716   = wceq 1398   e. wcel 2205   class class class wbr 4114   ` cfv 5357  (class class class)co 6058   Basecbs 13296   +g cplusg 13374   Grpcgrp 13755   -gcsg 13757   Ringcrg 14239  Unitcui 14331  LRingclring 14435  #_rcapr 14527

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2207  ax-14 2208  ax-ext 2216  ax-coll 4230  ax-sep 4233  ax-nul 4241  ax-pow 4292  ax-pr 4327  ax-un 4559  ax-setind 4664  ax-cnex 8234  ax-resscn 8235  ax-1cn 8236  ax-1re 8237  ax-icn 8238  ax-addcl 8239  ax-addrcl 8240  ax-mulcl 8241  ax-addcom 8243  ax-addass 8245  ax-i2m1 8248  ax-0lt1 8249  ax-0id 8251  ax-rnegex 8252  ax-pre-ltirr 8255  ax-pre-lttrn 8257  ax-pre-ltadd 8259

This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-nel 2510  df-ral 2527  df-rex 2528  df-reu 2529  df-rmo 2530  df-rab 2531  df-v 2817  df-sbc 3046  df-csb 3142  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-int 3955  df-iun 3998  df-br 4115  df-opab 4177  df-mpt 4178  df-id 4419  df-xp 4760  df-rel 4761  df-cnv 4762  df-co 4763  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767  df-iota 5317  df-fun 5359  df-fn 5360  df-f 5361  df-f1 5362  df-fo 5363  df-f1o 5364  df-fv 5365  df-riota 6011  df-ov 6061  df-oprab 6062  df-mpo 6063  df-1st 6347  df-2nd 6348  df-tpos 6489  df-pnf 8326  df-mnf 8327  df-ltxr 8329  df-inn 9255  df-2 9313  df-3 9314  df-ndx 13299  df-slot 13300  df-base 13302  df-sets 13303  df-iress 13304  df-plusg 13387  df-mulr 13388  df-0g 13555  df-mgm 13619  df-sgrp 13665  df-mnd 13678  df-grp 13758  df-minusg 13759  df-sbg 13760  df-cmn 14039  df-abl 14040  df-mgp 14160  df-ur 14203  df-srg 14207  df-ring 14241  df-oppr 14311  df-dvdsr 14333  df-unit 14334  df-invr 14366  df-dvr 14377  df-nzr 14425  df-lring 14436  df-apr 14528

This theorem is referenced by:  aprap  14536