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Theorem rprmnz 34094
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.
StepHypRef Expression
1 eqidd 2761 . . 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)
53, 4eleqtrdi 2870 . . . . 5 (𝜑 → 𝑄 ∈ (RPrime‘𝑅))
6 eqid 2760 . . . . . . 7 (Base‘𝑅) = (Base‘𝑅)
7 eqid 2760 . . . . . . 7 (Unit‘𝑅) = (Unit‘𝑅)
8 rprmnz.0 . . . . . . 7 0 = (0g‘𝑅)
9 eqid 2760 . . . . . . 7 (∥r‘𝑅) = (∥r‘𝑅)
10 eqid 2760 . . . . . . 7 (.r‘𝑅) = (.r‘𝑅)
116, 7, 8, 9, 10isrprm 34091 . . . . . 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)))))
1211simprbda 504 . . . . 5 ((𝑅 ∈ 𝑉 ∧ 𝑄 ∈ (RPrime‘𝑅)) → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 })))
132, 5, 12syl2anc 596 . . . 4 (𝜑 → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 })))
1413eldifbd 4052 . . 3 (𝜑 → ¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 }))
15 nelun 33151 . . . 4 (((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }) → (¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 }) ↔ (¬ 𝑄 ∈ (Unit‘𝑅) ∧ ¬ 𝑄 ∈ { 0 })))
1615simplbda 505 . . 3 ((((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }) ∧ ¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 })) → ¬ 𝑄 ∈ { 0 })
171, 14, 16syl2anc 596 . 2 (𝜑 → ¬ 𝑄 ∈ { 0 })
18 elsng 4597 . . . 4 (𝑄 ∈ 𝑃 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 ))
193, 18syl 18 . . 3 (𝜑 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 ))
2019necon3bbid 2992 . 2 (𝜑 → (¬ 𝑄 ∈ { 0 } ↔ 𝑄 ≠ 0 ))
2117, 20mpbid 235 1 (𝜑 → 𝑄 ≠ 0 )
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∨ wo 861   = wceq 1569   ∈ wcel 2144   ≠ wne 2955  ∀wral 3076   ∖ cdif 4045   ∪ cun 4149  {csn 4583   class class class wbr 5102  ‘cfv 6538  (class class class)co 7420  Basecbs 17387  .rcmulr 17429  0gc0g 17610  ∥rcdsr 20584  Unitcui 20585  RPrimecrpm 20662
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pr 5390
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-dif 4047  df-in 4091  df-un 4151  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5545  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-iota 6494  df-fun 6540  df-fv 6546  df-ov 7423  df-rprm 20663
This theorem is used by:  rprmasso  34099  rprmasso2  34100  rprmirred  34105  1arithidomlem1  34109  1arithufdlem3  34120  dfufd2lem  34123
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