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Description: Lemma for dath . Analogue of dalem45 for R P . (Contributed by NM, 16-Aug-2012)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dalem.ph | ⊢ ( 𝜑 ↔ ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ) ∧ ( 𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) ) ∧ ( 𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ∧ ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ∧ ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ) ∧ ( 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ∧ 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ) ) ) ) | |
| dalem.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| dalem.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| dalem.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| dalem.ps | ⊢ ( 𝜓 ↔ ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ 𝑌 ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ 𝑌 ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ) | ||
| dalem44.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| dalem44.o | ⊢ 𝑂 = ( LPlanes ‘ 𝐾 ) | ||
| dalem44.y | ⊢ 𝑌 = ( ( 𝑃 ∨ 𝑄 ) ∨ 𝑅 ) | ||
| dalem44.z | ⊢ 𝑍 = ( ( 𝑆 ∨ 𝑇 ) ∨ 𝑈 ) | ||
| dalem44.g | ⊢ 𝐺 = ( ( 𝑐 ∨ 𝑃 ) ∧ ( 𝑑 ∨ 𝑆 ) ) | ||
| dalem44.h | ⊢ 𝐻 = ( ( 𝑐 ∨ 𝑄 ) ∧ ( 𝑑 ∨ 𝑇 ) ) | ||
| dalem44.i | ⊢ 𝐼 = ( ( 𝑐 ∨ 𝑅 ) ∧ ( 𝑑 ∨ 𝑈 ) ) | ||
| Assertion | dalem50 | ⊢ ( ( 𝜑 ∧ 𝜓 ) → ¬ 𝑐 ≤ ( 𝑅 ∨ 𝑃 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dalem.ph | ⊢ ( 𝜑 ↔ ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ) ∧ ( 𝑆 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) ) ∧ ( 𝑌 ∈ 𝑂 ∧ 𝑍 ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ∧ ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ∧ ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ) ∧ ( 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ∧ 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ) ) ) ) | |
| 2 | dalem.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | dalem.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 4 | dalem.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 5 | dalem.ps | ⊢ ( 𝜓 ↔ ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ 𝑌 ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ 𝑌 ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ) | |
| 6 | dalem44.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 7 | dalem44.o | ⊢ 𝑂 = ( LPlanes ‘ 𝐾 ) | |
| 8 | dalem44.y | ⊢ 𝑌 = ( ( 𝑃 ∨ 𝑄 ) ∨ 𝑅 ) | |
| 9 | dalem44.z | ⊢ 𝑍 = ( ( 𝑆 ∨ 𝑇 ) ∨ 𝑈 ) | |
| 10 | dalem44.g | ⊢ 𝐺 = ( ( 𝑐 ∨ 𝑃 ) ∧ ( 𝑑 ∨ 𝑆 ) ) | |
| 11 | dalem44.h | ⊢ 𝐻 = ( ( 𝑐 ∨ 𝑄 ) ∧ ( 𝑑 ∨ 𝑇 ) ) | |
| 12 | dalem44.i | ⊢ 𝐼 = ( ( 𝑐 ∨ 𝑅 ) ∧ ( 𝑑 ∨ 𝑈 ) ) | |
| 13 | 1 2 3 4 8 9 | dalemrot | ⊢ ( 𝜑 → ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ) ∧ ( 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ) ) ∧ ( ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∈ 𝑂 ∧ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ∧ ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ∧ ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ) ∧ ( 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ∧ 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ) ) ) ) |
| 14 | 13 | adantr | ⊢ ( ( 𝜑 ∧ 𝜓 ) → ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ) ∧ ( 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ) ) ∧ ( ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∈ 𝑂 ∧ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ∧ ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ∧ ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ) ∧ ( 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ∧ 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ) ) ) ) |
| 15 | 1 2 3 4 5 8 | dalemrotps | ⊢ ( ( 𝜑 ∧ 𝜓 ) → ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ) |
| 16 | biid | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ) ∧ ( 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ) ) ∧ ( ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∈ 𝑂 ∧ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ∧ ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ∧ ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ) ∧ ( 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ∧ 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ) ) ) ↔ ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ) ∧ ( 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ) ) ∧ ( ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∈ 𝑂 ∧ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ∧ ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ∧ ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ) ∧ ( 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ∧ 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ) ) ) ) | |
| 17 | biid | ⊢ ( ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ↔ ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ) | |
| 18 | eqid | ⊢ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) = ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) | |
| 19 | eqid | ⊢ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) = ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) | |
| 20 | 16 2 3 4 17 6 7 18 19 11 12 10 | dalem49 | ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝐶 ∈ ( Base ‘ 𝐾 ) ) ∧ ( 𝑄 ∈ 𝐴 ∧ 𝑅 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ) ∧ ( 𝑇 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ) ) ∧ ( ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∈ 𝑂 ∧ ( ( 𝑇 ∨ 𝑈 ) ∨ 𝑆 ) ∈ 𝑂 ) ∧ ( ( ¬ 𝐶 ≤ ( 𝑄 ∨ 𝑅 ) ∧ ¬ 𝐶 ≤ ( 𝑅 ∨ 𝑃 ) ∧ ¬ 𝐶 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ¬ 𝐶 ≤ ( 𝑇 ∨ 𝑈 ) ∧ ¬ 𝐶 ≤ ( 𝑈 ∨ 𝑆 ) ∧ ¬ 𝐶 ≤ ( 𝑆 ∨ 𝑇 ) ) ∧ ( 𝐶 ≤ ( 𝑄 ∨ 𝑇 ) ∧ 𝐶 ≤ ( 𝑅 ∨ 𝑈 ) ∧ 𝐶 ≤ ( 𝑃 ∨ 𝑆 ) ) ) ) ∧ ( ( 𝑐 ∈ 𝐴 ∧ 𝑑 ∈ 𝐴 ) ∧ ¬ 𝑐 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ ( 𝑑 ≠ 𝑐 ∧ ¬ 𝑑 ≤ ( ( 𝑄 ∨ 𝑅 ) ∨ 𝑃 ) ∧ 𝐶 ≤ ( 𝑐 ∨ 𝑑 ) ) ) ) → ¬ 𝑐 ≤ ( 𝑅 ∨ 𝑃 ) ) |
| 21 | 14 15 20 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝜓 ) → ¬ 𝑐 ≤ ( 𝑅 ∨ 𝑃 ) ) |