Theorem domnpropd 33217

Description: If two structures have the same components (properties), one is a domain iff the other one is. (Contributed by Thierry Arnoux, 13-Oct-2025.)

Hypotheses

Ref	Expression
domnpropd.1	⊢ (𝜑 → 𝐵 = (Base‘𝐾))
domnpropd.2	⊢ (𝜑 → 𝐵 = (Base‘𝐿))
domnpropd.3	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝐾)𝑦) = (𝑥(+g‘𝐿)𝑦))
domnpropd.4	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦))

Assertion

Ref	Expression
domnpropd	⊢ (𝜑 → (𝐾 ∈ Domn ↔ 𝐿 ∈ Domn))

Distinct variable groups:   𝑥,𝐵,𝑦   𝑥,𝐾,𝑦   𝑥,𝐿,𝑦   𝜑,𝑥,𝑦

Proof of Theorem domnpropd

Step	Hyp	Ref	Expression
1		domnpropd.1	. . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐾))
2		domnpropd.2	. . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝐿))
3		domnpropd.3	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(+g‘𝐾)𝑦) = (𝑥(+g‘𝐿)𝑦))
4		domnpropd.4	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦))
5	1, 2, 3, 4	nzrpropd 20405	. . 3 ⊢ (𝜑 → (𝐾 ∈ NzRing ↔ 𝐿 ∈ NzRing))
6	1, 2	eqtr3d 2766	. . . 4 ⊢ (𝜑 → (Base‘𝐾) = (Base‘𝐿))
7	6	adantr 480	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) → (Base‘𝐾) = (Base‘𝐿))
8		simpll 766	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → 𝜑)
9	1	eleq2d 2814	. . . . . . . . . 10 ⊢ (𝜑 → (𝑥 ∈ 𝐵 ↔ 𝑥 ∈ (Base‘𝐾)))
10	9	biimpar 477	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) → 𝑥 ∈ 𝐵)
11	10	adantr 480	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → 𝑥 ∈ 𝐵)
12	1	eleq2d 2814	. . . . . . . . . 10 ⊢ (𝜑 → (𝑦 ∈ 𝐵 ↔ 𝑦 ∈ (Base‘𝐾)))
13	12	biimpar 477	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ (Base‘𝐾)) → 𝑦 ∈ 𝐵)
14	13	adantlr 715	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → 𝑦 ∈ 𝐵)
15	8, 11, 14, 4	syl12anc 836	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → (𝑥(.r‘𝐾)𝑦) = (𝑥(.r‘𝐿)𝑦))
16	1, 2, 3	grpidpropd 18536	. . . . . . . 8 ⊢ (𝜑 → (0g‘𝐾) = (0g‘𝐿))
17	16	ad2antrr 726	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → (0g‘𝐾) = (0g‘𝐿))
18	15, 17	eqeq12d 2745	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → ((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) ↔ (𝑥(.r‘𝐿)𝑦) = (0g‘𝐿)))
19	17	eqeq2d 2740	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → (𝑥 = (0g‘𝐾) ↔ 𝑥 = (0g‘𝐿)))
20	17	eqeq2d 2740	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → (𝑦 = (0g‘𝐾) ↔ 𝑦 = (0g‘𝐿)))
21	19, 20	orbi12d 918	. . . . . 6 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → ((𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾)) ↔ (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿))))
22	18, 21	imbi12d 344	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) ∧ 𝑦 ∈ (Base‘𝐾)) → (((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) → (𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾))) ↔ ((𝑥(.r‘𝐿)𝑦) = (0g‘𝐿) → (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿)))))
23	7, 22	raleqbidva 3295	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ (Base‘𝐾)) → (∀𝑦 ∈ (Base‘𝐾)((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) → (𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾))) ↔ ∀𝑦 ∈ (Base‘𝐿)((𝑥(.r‘𝐿)𝑦) = (0g‘𝐿) → (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿)))))
24	6, 23	raleqbidva 3295	. . 3 ⊢ (𝜑 → (∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) → (𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾))) ↔ ∀𝑥 ∈ (Base‘𝐿)∀𝑦 ∈ (Base‘𝐿)((𝑥(.r‘𝐿)𝑦) = (0g‘𝐿) → (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿)))))
25	5, 24	anbi12d 632	. 2 ⊢ (𝜑 → ((𝐾 ∈ NzRing ∧ ∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) → (𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾)))) ↔ (𝐿 ∈ NzRing ∧ ∀𝑥 ∈ (Base‘𝐿)∀𝑦 ∈ (Base‘𝐿)((𝑥(.r‘𝐿)𝑦) = (0g‘𝐿) → (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿))))))
26		eqid 2729	. . 3 ⊢ (Base‘𝐾) = (Base‘𝐾)
27		eqid 2729	. . 3 ⊢ (.r‘𝐾) = (.r‘𝐾)
28		eqid 2729	. . 3 ⊢ (0g‘𝐾) = (0g‘𝐾)
29	26, 27, 28	isdomn 20590	. 2 ⊢ (𝐾 ∈ Domn ↔ (𝐾 ∈ NzRing ∧ ∀𝑥 ∈ (Base‘𝐾)∀𝑦 ∈ (Base‘𝐾)((𝑥(.r‘𝐾)𝑦) = (0g‘𝐾) → (𝑥 = (0g‘𝐾) ∨ 𝑦 = (0g‘𝐾)))))
30		eqid 2729	. . 3 ⊢ (Base‘𝐿) = (Base‘𝐿)
31		eqid 2729	. . 3 ⊢ (.r‘𝐿) = (.r‘𝐿)
32		eqid 2729	. . 3 ⊢ (0g‘𝐿) = (0g‘𝐿)
33	30, 31, 32	isdomn 20590	. 2 ⊢ (𝐿 ∈ Domn ↔ (𝐿 ∈ NzRing ∧ ∀𝑥 ∈ (Base‘𝐿)∀𝑦 ∈ (Base‘𝐿)((𝑥(.r‘𝐿)𝑦) = (0g‘𝐿) → (𝑥 = (0g‘𝐿) ∨ 𝑦 = (0g‘𝐿)))))
34	25, 29, 33	3bitr4g 314	1 ⊢ (𝜑 → (𝐾 ∈ Domn ↔ 𝐿 ∈ Domn))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   ∨ wo 847   = wceq 1540   ∈ wcel 2109  ∀wral 3044  ‘cfv 6482  (class class class)co 7349  Basecbs 17120  +_gcplusg 17161  ._rcmulr 17162  0_gc0g 17343  NzRingcnzr 20397  Domncdomn 20577

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2701  ax-sep 5235  ax-nul 5245  ax-pow 5304  ax-pr 5371  ax-un 7671  ax-cnex 11065  ax-resscn 11066  ax-1cn 11067  ax-icn 11068  ax-addcl 11069  ax-addrcl 11070  ax-mulcl 11071  ax-mulrcl 11072  ax-mulcom 11073  ax-addass 11074  ax-mulass 11075  ax-distr 11076  ax-i2m1 11077  ax-1ne0 11078  ax-1rid 11079  ax-rnegex 11080  ax-rrecex 11081  ax-cnre 11082  ax-pre-lttri 11083  ax-pre-lttrn 11084  ax-pre-ltadd 11085  ax-pre-mulgt0 11086

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2533  df-eu 2562  df-clab 2708  df-cleq 2721  df-clel 2803  df-nfc 2878  df-ne 2926  df-nel 3030  df-ral 3045  df-rex 3054  df-reu 3344  df-rab 3395  df-v 3438  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-pss 3923  df-nul 4285  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4859  df-iun 4943  df-br 5093  df-opab 5155  df-mpt 5174  df-tr 5200  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6249  df-ord 6310  df-on 6311  df-lim 6312  df-suc 6313  df-iota 6438  df-fun 6484  df-fn 6485  df-f 6486  df-f1 6487  df-fo 6488  df-f1o 6489  df-fv 6490  df-riota 7306  df-ov 7352  df-oprab 7353  df-mpo 7354  df-om 7800  df-2nd 7925  df-frecs 8214  df-wrecs 8245  df-recs 8294  df-rdg 8332  df-er 8625  df-en 8873  df-dom 8874  df-sdom 8875  df-pnf 11151  df-mnf 11152  df-xr 11153  df-ltxr 11154  df-le 11155  df-sub 11349  df-neg 11350  df-nn 12129  df-2 12191  df-sets 17075  df-slot 17093  df-ndx 17105  df-base 17121  df-plusg 17174  df-0g 17345  df-mgm 18514  df-sgrp 18593  df-mnd 18609  df-grp 18815  df-mgp 20026  df-ur 20067  df-ring 20120  df-nzr 20398  df-domn 20580

This theorem is referenced by:  idompropd  33218