| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > rprmnz | Structured version Visualization version GIF version | ||
| Description: A ring prime is nonzero. (Contributed by Thierry Arnoux, 18-May-2025.) |
| Ref | Expression |
|---|---|
| rprmnz.p | ⊢ 𝑃 = (RPrime‘𝑅) |
| rprmnz.0 | ⊢ 0 = (0g‘𝑅) |
| rprmnz.r | ⊢ (𝜑 → 𝑅 ∈ 𝑉) |
| rprmnz.q | ⊢ (𝜑 → 𝑄 ∈ 𝑃) |
| Ref | Expression |
|---|---|
| rprmnz | ⊢ (𝜑 → 𝑄 ≠ 0 ) |
| Step | Hyp | Ref | 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) | |
| 5 | 3, 4 | eleqtrdi 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) | |
| 11 | 6, 7, 8, 9, 10 | isrprm 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))))) |
| 12 | 11 | simprbda 504 | . . . . 5 ⊢ ((𝑅 ∈ 𝑉 ∧ 𝑄 ∈ (RPrime‘𝑅)) → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 }))) |
| 13 | 2, 5, 12 | syl2anc 596 | . . . 4 ⊢ (𝜑 → 𝑄 ∈ ((Base‘𝑅) ∖ ((Unit‘𝑅) ∪ { 0 }))) |
| 14 | 13 | eldifbd 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 }))) | |
| 16 | 15 | simplbda 505 | . . 3 ⊢ ((((Unit‘𝑅) ∪ { 0 }) = ((Unit‘𝑅) ∪ { 0 }) ∧ ¬ 𝑄 ∈ ((Unit‘𝑅) ∪ { 0 })) → ¬ 𝑄 ∈ { 0 }) |
| 17 | 1, 14, 16 | syl2anc 596 | . 2 ⊢ (𝜑 → ¬ 𝑄 ∈ { 0 }) |
| 18 | elsng 4597 | . . . 4 ⊢ (𝑄 ∈ 𝑃 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 )) | |
| 19 | 3, 18 | syl 18 | . . 3 ⊢ (𝜑 → (𝑄 ∈ { 0 } ↔ 𝑄 = 0 )) |
| 20 | 19 | necon3bbid 2992 | . 2 ⊢ (𝜑 → (¬ 𝑄 ∈ { 0 } ↔ 𝑄 ≠ 0 )) |
| 21 | 17, 20 | mpbid 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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