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Description: Part of proof of Lemma K of Crawley p. 118. Line 31, p. 119. Trace-preserving property of tau, represented by X . (Contributed by NM, 19-Jul-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemk4.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| cdlemk4.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| cdlemk4.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| cdlemk4.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| cdlemk4.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| cdlemk4.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | ||
| cdlemk4.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | ||
| cdlemk4.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | ||
| cdlemk4.z | ⊢ 𝑍 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝑏 ) ) ∧ ( ( 𝑁 ‘ 𝑃 ) ∨ ( 𝑅 ‘ ( 𝑏 ∘ ◡ 𝐹 ) ) ) ) | ||
| cdlemk4.y | ⊢ 𝑌 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑍 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝑏 ) ) ) ) | ||
| cdlemk4.x | ⊢ 𝑋 = ( ℩ 𝑧 ∈ 𝑇 ∀ 𝑏 ∈ 𝑇 ( ( 𝑏 ≠ ( I ↾ 𝐵 ) ∧ ( 𝑅 ‘ 𝑏 ) ≠ ( 𝑅 ‘ 𝐹 ) ∧ ( 𝑅 ‘ 𝑏 ) ≠ ( 𝑅 ‘ 𝐺 ) ) → ( 𝑧 ‘ 𝑃 ) = 𝑌 ) ) | ||
| Assertion | cdlemk39 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑅 ‘ 𝑋 ) ≤ ( 𝑅 ‘ 𝐺 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemk4.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | cdlemk4.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | cdlemk4.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 4 | cdlemk4.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 5 | cdlemk4.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 6 | cdlemk4.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 7 | cdlemk4.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | |
| 8 | cdlemk4.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | |
| 9 | cdlemk4.z | ⊢ 𝑍 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝑏 ) ) ∧ ( ( 𝑁 ‘ 𝑃 ) ∨ ( 𝑅 ‘ ( 𝑏 ∘ ◡ 𝐹 ) ) ) ) | |
| 10 | cdlemk4.y | ⊢ 𝑌 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑍 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝑏 ) ) ) ) | |
| 11 | cdlemk4.x | ⊢ 𝑋 = ( ℩ 𝑧 ∈ 𝑇 ∀ 𝑏 ∈ 𝑇 ( ( 𝑏 ≠ ( I ↾ 𝐵 ) ∧ ( 𝑅 ‘ 𝑏 ) ≠ ( 𝑅 ‘ 𝐹 ) ∧ ( 𝑅 ‘ 𝑏 ) ≠ ( 𝑅 ‘ 𝐺 ) ) → ( 𝑧 ‘ 𝑃 ) = 𝑌 ) ) | |
| 12 | simp1l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝐾 ∈ HL ) | |
| 13 | simp3ll | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑃 ∈ 𝐴 ) | |
| 14 | simp1 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 15 | simp22l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝐺 ∈ 𝑇 ) | |
| 16 | simp22r | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝐺 ≠ ( I ↾ 𝐵 ) ) | |
| 17 | 1 5 6 7 8 | trlnidat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) → ( 𝑅 ‘ 𝐺 ) ∈ 𝐴 ) |
| 18 | 14 15 16 17 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑅 ‘ 𝐺 ) ∈ 𝐴 ) |
| 19 | 2 3 5 | hlatlej1 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝑅 ‘ 𝐺 ) ∈ 𝐴 ) → 𝑃 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) |
| 20 | 12 13 18 19 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑃 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) |
| 21 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk38 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑋 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) |
| 22 | 12 | hllatd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝐾 ∈ Lat ) |
| 23 | 1 5 | atbase | ⊢ ( 𝑃 ∈ 𝐴 → 𝑃 ∈ 𝐵 ) |
| 24 | 13 23 | syl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑃 ∈ 𝐵 ) |
| 25 | 1 2 3 4 5 6 7 8 9 10 11 | cdlemk35 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑋 ∈ 𝑇 ) |
| 26 | 2 5 6 7 | ltrnat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝑋 ∈ 𝑇 ∧ 𝑃 ∈ 𝐴 ) → ( 𝑋 ‘ 𝑃 ) ∈ 𝐴 ) |
| 27 | 14 25 13 26 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑋 ‘ 𝑃 ) ∈ 𝐴 ) |
| 28 | 1 5 | atbase | ⊢ ( ( 𝑋 ‘ 𝑃 ) ∈ 𝐴 → ( 𝑋 ‘ 𝑃 ) ∈ 𝐵 ) |
| 29 | 27 28 | syl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑋 ‘ 𝑃 ) ∈ 𝐵 ) |
| 30 | 1 3 5 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝑅 ‘ 𝐺 ) ∈ 𝐴 ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ) |
| 31 | 12 13 18 30 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ) |
| 32 | 1 2 3 | latjle12 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∈ 𝐵 ∧ ( 𝑋 ‘ 𝑃 ) ∈ 𝐵 ∧ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ) ) → ( ( 𝑃 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑋 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) ↔ ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) ) |
| 33 | 22 24 29 31 32 | syl13anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( ( 𝑃 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑋 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) ↔ ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) ) |
| 34 | 20 21 33 | mpbi2and | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ) |
| 35 | 1 3 5 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝑋 ‘ 𝑃 ) ∈ 𝐴 ) → ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∈ 𝐵 ) |
| 36 | 12 13 27 35 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∈ 𝐵 ) |
| 37 | simp1r | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑊 ∈ 𝐻 ) | |
| 38 | 1 6 | lhpbase | ⊢ ( 𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵 ) |
| 39 | 37 38 | syl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → 𝑊 ∈ 𝐵 ) |
| 40 | 1 2 4 | latmlem1 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∈ 𝐵 ∧ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ) ) → ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) → ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∧ 𝑊 ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ 𝑊 ) ) ) |
| 41 | 22 36 31 39 40 | syl13anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) → ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∧ 𝑊 ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ 𝑊 ) ) ) |
| 42 | 34 41 | mpd | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∧ 𝑊 ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ 𝑊 ) ) |
| 43 | simp3l | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) | |
| 44 | 2 3 4 5 6 7 8 | trlval2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝑋 ∈ 𝑇 ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( 𝑅 ‘ 𝑋 ) = ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∧ 𝑊 ) ) |
| 45 | 14 25 43 44 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑅 ‘ 𝑋 ) = ( ( 𝑃 ∨ ( 𝑋 ‘ 𝑃 ) ) ∧ 𝑊 ) ) |
| 46 | 2 3 4 5 6 7 8 | trlval5 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐺 ∈ 𝑇 ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( 𝑅 ‘ 𝐺 ) = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ 𝑊 ) ) |
| 47 | 14 15 43 46 | syl3anc | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑅 ‘ 𝐺 ) = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ 𝑊 ) ) |
| 48 | 42 45 47 | 3brtr4d | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ∈ 𝑇 ∧ 𝐹 ≠ ( I ↾ 𝐵 ) ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐺 ≠ ( I ↾ 𝐵 ) ) ∧ 𝑁 ∈ 𝑇 ) ∧ ( ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑅 ‘ 𝐹 ) = ( 𝑅 ‘ 𝑁 ) ) ) → ( 𝑅 ‘ 𝑋 ) ≤ ( 𝑅 ‘ 𝐺 ) ) |