Theorem aprap 13842

Description: The relation given by df-apr 13837 for a local ring is an apartness relation. (Contributed by Jim Kingdon, 20-Feb-2025.)

Assertion

Ref	Expression
aprap	|- ( R e. LRing -> (#r ` R ) Ap ( Base ` R ) )

Proof of Theorem aprap

Dummy variables r x y z are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-apr 13837	. . . 4 |- #r = ( r e. _V |-> { <. x , y >. | ( ( x e. ( Base ` r ) /\ y e. ( Base ` r ) ) /\ ( x ( -g ` r ) y ) e. (Unit ` r ) ) } )
2		fveq2 5558	. . . . . . . 8 |- ( r = R -> ( Base ` r ) = ( Base ` R ) )
3	2	eleq2d 2266	. . . . . . 7 |- ( r = R -> ( x e. ( Base ` r ) <-> x e. ( Base ` R ) ) )
4	2	eleq2d 2266	. . . . . . 7 |- ( r = R -> ( y e. ( Base ` r ) <-> y e. ( Base ` R ) ) )
5	3, 4	anbi12d 473	. . . . . 6 |- ( r = R -> ( ( x e. ( Base ` r ) /\ y e. ( Base ` r ) ) <-> ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) )
6		fveq2 5558	. . . . . . . 8 |- ( r = R -> ( -g ` r ) = ( -g ` R ) )
7	6	oveqd 5939	. . . . . . 7 |- ( r = R -> ( x ( -g ` r ) y ) = ( x ( -g ` R ) y ) )
8		fveq2 5558	. . . . . . 7 |- ( r = R -> (Unit ` r ) = (Unit ` R ) )
9	7, 8	eleq12d 2267	. . . . . 6 |- ( r = R -> ( ( x ( -g ` r ) y ) e. (Unit ` r ) <-> ( x ( -g ` R ) y ) e. (Unit ` R ) ) )
10	5, 9	anbi12d 473	. . . . 5 |- ( r = R -> ( ( ( x e. ( Base ` r ) /\ y e. ( Base ` r ) ) /\ ( x ( -g ` r ) y ) e. (Unit ` r ) ) <-> ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) ) )
11	10	opabbidv 4099	. . . 4 |- ( r = R -> { <. x , y >. | ( ( x e. ( Base ` r ) /\ y e. ( Base ` r ) ) /\ ( x ( -g ` r ) y ) e. (Unit ` r ) ) } = { <. x , y >. | ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) } )
12		elex 2774	. . . 4 |- ( R e. LRing -> R e. _V )
13		basfn 12736	. . . . . . . 8 |- Base Fn _V
14	13	a1i 9	. . . . . . 7 |- ( R e. LRing -> Base Fn _V )
15		funfvex 5575	. . . . . . . 8 |- ( ( Fun Base /\ R e. dom Base ) -> ( Base ` R ) e. _V )
16	15	funfni 5358	. . . . . . 7 |- ( ( Base Fn _V /\ R e. _V ) -> ( Base ` R ) e. _V )
17	14, 12, 16	syl2anc 411	. . . . . 6 |- ( R e. LRing -> ( Base ` R ) e. _V )
18		xpexg 4777	. . . . . 6 |- ( ( ( Base ` R ) e. _V /\ ( Base ` R ) e. _V ) -> ( ( Base ` R ) X. ( Base ` R ) ) e. _V )
19	17, 17, 18	syl2anc 411	. . . . 5 |- ( R e. LRing -> ( ( Base ` R ) X. ( Base ` R ) ) e. _V )
20		opabssxp 4737	. . . . . 6 |- { <. x , y >. | ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) } C_ ( ( Base ` R ) X. ( Base ` R ) )
21	20	a1i 9	. . . . 5 |- ( R e. LRing -> { <. x , y >. | ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) } C_ ( ( Base ` R ) X. ( Base ` R ) ) )
22	19, 21	ssexd 4173	. . . 4 |- ( R e. LRing -> { <. x , y >. | ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) } e. _V )
23	1, 11, 12, 22	fvmptd3 5655	. . 3 |- ( R e. LRing -> (#r ` R ) = { <. x , y >. | ( ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) /\ ( x ( -g ` R ) y ) e. (Unit ` R ) ) } )
24	23, 20	eqsstrdi 3235	. 2 |- ( R e. LRing -> (#r ` R ) C_ ( ( Base ` R ) X. ( Base ` R ) ) )
25		eqidd 2197	. . . 4 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> ( Base ` R ) = ( Base ` R ) )
26		eqidd 2197	. . . 4 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> (#r ` R ) = (#r ` R ) )
27		lringring 13750	. . . . 5 |- ( R e. LRing -> R e. Ring )
28	27	adantr 276	. . . 4 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> R e. Ring )
29		simpr 110	. . . 4 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> x e. ( Base ` R ) )
30		eqid 2196	. . . . . 6 |- ( 1r ` R ) = ( 1r ` R )
31		eqid 2196	. . . . . 6 |- ( 0g ` R ) = ( 0g ` R )
32	30, 31	lringnz 13751	. . . . 5 |- ( R e. LRing -> ( 1r ` R ) =/= ( 0g ` R ) )
33	32	adantr 276	. . . 4 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> ( 1r ` R ) =/= ( 0g ` R ) )
34	25, 26, 28, 29, 33	aprirr 13839	. . 3 |- ( ( R e. LRing /\ x e. ( Base ` R ) ) -> -. x (#r ` R ) x )
35	34	ralrimiva 2570	. 2 |- ( R e. LRing -> A. x e. ( Base ` R ) -. x (#r ` R ) x )
36		eqidd 2197	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> ( Base ` R ) = ( Base ` R ) )
37		eqidd 2197	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> (#r ` R ) = (#r ` R ) )
38	27	adantr 276	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> R e. Ring )
39		simprl 529	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> x e. ( Base ` R ) )
40		simprr 531	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> y e. ( Base ` R ) )
41	36, 37, 38, 39, 40	aprsym 13840	. . . 4 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) ) ) -> ( x (#r ` R ) y -> y (#r ` R ) x ) )
42	41	ralrimivva 2579	. . 3 |- ( R e. LRing -> A. x e. ( Base ` R ) A. y e. ( Base ` R ) ( x (#r ` R ) y -> y (#r ` R ) x ) )
43		eqidd 2197	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> ( Base ` R ) = ( Base ` R ) )
44		eqidd 2197	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> (#r ` R ) = (#r ` R ) )
45		simpl 109	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> R e. LRing )
46		simpr1 1005	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> x e. ( Base ` R ) )
47		simpr2 1006	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> y e. ( Base ` R ) )
48		simpr3 1007	. . . . 5 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> z e. ( Base ` R ) )
49	43, 44, 45, 46, 47, 48	aprcotr 13841	. . . 4 |- ( ( R e. LRing /\ ( x e. ( Base ` R ) /\ y e. ( Base ` R ) /\ z e. ( Base ` R ) ) ) -> ( x (#r ` R ) y -> ( x (#r ` R ) z \/ y (#r ` R ) z ) ) )
50	49	ralrimivvva 2580	. . 3 |- ( R e. LRing -> A. x e. ( Base ` R ) A. y e. ( Base ` R ) A. z e. ( Base ` R ) ( x (#r ` R ) y -> ( x (#r ` R ) z \/ y (#r ` R ) z ) ) )
51	42, 50	jca 306	. 2 |- ( R e. LRing -> ( A. x e. ( Base ` R ) A. y e. ( Base ` R ) ( x (#r ` R ) y -> y (#r ` R ) x ) /\ A. x e. ( Base ` R ) A. y e. ( Base ` R ) A. z e. ( Base ` R ) ( x (#r ` R ) y -> ( x (#r ` R ) z \/ y (#r ` R ) z ) ) ) )
52		df-pap 7315	. 2 |- ( (#r ` R ) Ap ( Base ` R ) <-> ( ( (#r ` R ) C_ ( ( Base ` R ) X. ( Base ` R ) ) /\ A. x e. ( Base ` R ) -. x (#r ` R ) x ) /\ ( A. x e. ( Base ` R ) A. y e. ( Base ` R ) ( x (#r ` R ) y -> y (#r ` R ) x ) /\ A. x e. ( Base ` R ) A. y e. ( Base ` R ) A. z e. ( Base ` R ) ( x (#r ` R ) y -> ( x (#r ` R ) z \/ y (#r ` R ) z ) ) ) ) )
53	24, 35, 51, 52	syl21anbrc 1184	1 |- ( R e. LRing -> (#r ` R ) Ap ( Base ` R ) )

Syntax hints:   -. wn 3   -> wi 4   /\ wa 104   \/ wo 709   /\ w3a 980   = wceq 1364   e. wcel 2167   =/= wne 2367   A.wral 2475   _Vcvv 2763   C_ wss 3157   class class class wbr 4033   {copab 4093   X. cxp 4661   Fn wfn 5253   ` cfv 5258  (class class class)co 5922   Ap wap 7314   Basecbs 12678   0gc0g 12927   -gcsg 13134   1rcur 13515   Ringcrg 13552  Unitcui 13643  LRingclring 13746  #_rcapr 13836

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 615  ax-in2 616  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-13 2169  ax-14 2170  ax-ext 2178  ax-coll 4148  ax-sep 4151  ax-nul 4159  ax-pow 4207  ax-pr 4242  ax-un 4468  ax-setind 4573  ax-cnex 7970  ax-resscn 7971  ax-1cn 7972  ax-1re 7973  ax-icn 7974  ax-addcl 7975  ax-addrcl 7976  ax-mulcl 7977  ax-addcom 7979  ax-addass 7981  ax-i2m1 7984  ax-0lt1 7985  ax-0id 7987  ax-rnegex 7988  ax-pre-ltirr 7991  ax-pre-lttrn 7993  ax-pre-ltadd 7995

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1475  df-sb 1777  df-eu 2048  df-mo 2049  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ne 2368  df-nel 2463  df-ral 2480  df-rex 2481  df-reu 2482  df-rmo 2483  df-rab 2484  df-v 2765  df-sbc 2990  df-csb 3085  df-dif 3159  df-un 3161  df-in 3163  df-ss 3170  df-nul 3451  df-pw 3607  df-sn 3628  df-pr 3629  df-op 3631  df-uni 3840  df-int 3875  df-iun 3918  df-br 4034  df-opab 4095  df-mpt 4096  df-id 4328  df-xp 4669  df-rel 4670  df-cnv 4671  df-co 4672  df-dm 4673  df-rn 4674  df-res 4675  df-ima 4676  df-iota 5219  df-fun 5260  df-fn 5261  df-f 5262  df-f1 5263  df-fo 5264  df-f1o 5265  df-fv 5266  df-riota 5877  df-ov 5925  df-oprab 5926  df-mpo 5927  df-1st 6198  df-2nd 6199  df-tpos 6303  df-pap 7315  df-pnf 8063  df-mnf 8064  df-ltxr 8066  df-inn 8991  df-2 9049  df-3 9050  df-ndx 12681  df-slot 12682  df-base 12684  df-sets 12685  df-iress 12686  df-plusg 12768  df-mulr 12769  df-0g 12929  df-mgm 12999  df-sgrp 13045  df-mnd 13058  df-grp 13135  df-minusg 13136  df-sbg 13137  df-cmn 13416  df-abl 13417  df-mgp 13477  df-ur 13516  df-srg 13520  df-ring 13554  df-oppr 13624  df-dvdsr 13645  df-unit 13646  df-invr 13677  df-dvr 13688  df-nzr 13736  df-lring 13747  df-apr 13837

This theorem is referenced by: (None)