Theorem rprmnz 33476

Description: A ring prime is nonzero. (Contributed by Thierry Arnoux, 18-May-2025.)

Hypotheses

Ref	Expression
rprmnz.p	⊢ 𝑃 = (RPrime‘𝑅)
rprmnz.0	⊢ 0 = (0g‘𝑅)
rprmnz.r	⊢ (𝜑 → 𝑅 ∈ 𝑉)
rprmnz.q	⊢ (𝜑 → 𝑄 ∈ 𝑃)

Assertion

Ref	Expression
rprmnz	⊢ (𝜑 → 𝑄 ≠ 0 )

Proof of Theorem rprmnz

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

Step	Hyp	Ref	Expression
1		eqidd 2730	. . 3 ⊢ (𝜑 → ((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }))
2		rprmnz.r	. . . . 5 ⊢ (𝜑 → 𝑅 ∈ 𝑉)
3		rprmnz.q	. . . . . 6 ⊢ (𝜑 → 𝑄 ∈ 𝑃)
4		rprmnz.p	. . . . . 6 ⊢ 𝑃 = (RPrime‘𝑅)
5	3, 4	eleqtrdi 2838	. . . . 5 ⊢ (𝜑 → 𝑄 ∈ (RPrime‘𝑅))
6		eqid 2729	. . . . . . 7 ⊢ (Base‘𝑅) = (Base‘𝑅)
7		eqid 2729	. . . . . . 7 ⊢ (Unit‘𝑅) = (Unit‘𝑅)
8		rprmnz.0	. . . . . . 7 ⊢ 0 = (0g‘𝑅)
9		eqid 2729	. . . . . . 7 ⊢ (∥r‘𝑅) = (∥r‘𝑅)
10		eqid 2729	. . . . . . 7 ⊢ (.r‘𝑅) = (.r‘𝑅)
11	6, 7, 8, 9, 10	isrprm 33473	. . . . . 6 ⊢ (𝑅 ∈ 𝑉 → (𝑄 ∈ (RPrime‘𝑅) ↔ (𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 })) ∧ ∀𝑥 ∈ (Base‘𝑅)∀𝑦 ∈ (Base‘𝑅)(𝑄(∥r‘𝑅)(𝑥(.r‘𝑅)𝑦) → (𝑄(∥r‘𝑅)𝑥 ∨ 𝑄(∥r‘𝑅)𝑦)))))
12	11	simprbda 498	. . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑄 ∈ (RPrime‘𝑅)) → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 })))
13	2, 5, 12	syl2anc 584	. . . 4 ⊢ (𝜑 → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 })))
14	13	eldifbd 3918	. . 3 ⊢ (𝜑 → ¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 }))
15		nelun 32476	. . . 4 ⊢ (((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }) → (¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 }) ↔ (¬ 𝑄 ∈ (Unit‘𝑅) ∧ ¬ 𝑄 ∈ { 0 })))
16	15	simplbda 499	. . 3 ⊢ ((((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }) ∧ ¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 })) → ¬ 𝑄 ∈ { 0 })
17	1, 14, 16	syl2anc 584	. 2 ⊢ (𝜑 → ¬ 𝑄 ∈ { 0 })
18		elsng 4593	. . . 4 ⊢ (𝑄 ∈ 𝑃 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 ))
19	3, 18	syl 17	. . 3 ⊢ (𝜑 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 ))
20	19	necon3bbid 2962	. 2 ⊢ (𝜑 → (¬ 𝑄 ∈ { 0 } ↔ 𝑄 ≠ 0 ))
21	17, 20	mpbid 232	1 ⊢ (𝜑 → 𝑄 ≠ 0 )

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 206   ∨ wo 847   = wceq 1540   ∈ wcel 2109   ≠ wne 2925  ∀wral 3044   ∖ cdif 3902   ∪ cun 3903  {csn 4579   class class class wbr 5095  ‘cfv 6486  (class class class)co 7353  Basecbs 17139  ._rcmulr 17181  0_gc0g 17362  ∥_rcdsr 20258  Unitcui 20259  RPrimecrpm 20336

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 5238  ax-nul 5248  ax-pr 5374

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  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-ral 3045  df-rex 3054  df-rab 3397  df-v 3440  df-sbc 3745  df-csb 3854  df-dif 3908  df-un 3910  df-in 3912  df-ss 3922  df-nul 4287  df-if 4479  df-pw 4555  df-sn 4580  df-pr 4582  df-op 4586  df-uni 4862  df-br 5096  df-opab 5158  df-mpt 5177  df-id 5518  df-xp 5629  df-rel 5630  df-cnv 5631  df-co 5632  df-dm 5633  df-iota 6442  df-fun 6488  df-fv 6494  df-ov 7356  df-rprm 20337

This theorem is referenced by:  rprmasso  33481  rprmasso2  33482  rprmirred  33487  1arithidomlem1  33491  1arithufdlem3  33502  dfufd2lem  33505