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Description: Lemma for dia2dim . Show properties of the auxiliary atom Q . Part of proof of Lemma M in Crawley p. 121 line 3. (Contributed by NM, 8-Sep-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dia2dimlem1.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| dia2dimlem1.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| dia2dimlem1.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| dia2dimlem1.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| dia2dimlem1.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | ||
| dia2dimlem1.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dia2dimlem1.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dia2dimlem1.q | ⊢ 𝑄 = ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) | ||
| dia2dimlem1.k | ⊢ ( 𝜑 → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | ||
| dia2dimlem1.u | ⊢ ( 𝜑 → ( 𝑈 ∈ 𝐴 ∧ 𝑈 ≤ 𝑊 ) ) | ||
| dia2dimlem1.v | ⊢ ( 𝜑 → ( 𝑉 ∈ 𝐴 ∧ 𝑉 ≤ 𝑊 ) ) | ||
| dia2dimlem1.p | ⊢ ( 𝜑 → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) | ||
| dia2dimlem1.f | ⊢ ( 𝜑 → ( 𝐹 ∈ 𝑇 ∧ ( 𝐹 ‘ 𝑃 ) ≠ 𝑃 ) ) | ||
| dia2dimlem1.rf | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≤ ( 𝑈 ∨ 𝑉 ) ) | ||
| dia2dimlem1.uv | ⊢ ( 𝜑 → 𝑈 ≠ 𝑉 ) | ||
| dia2dimlem1.ru | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≠ 𝑈 ) | ||
| Assertion | dia2dimlem1 | ⊢ ( 𝜑 → ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dia2dimlem1.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 2 | dia2dimlem1.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 3 | dia2dimlem1.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 4 | dia2dimlem1.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 5 | dia2dimlem1.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 6 | dia2dimlem1.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | |
| 7 | dia2dimlem1.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | |
| 8 | dia2dimlem1.q | ⊢ 𝑄 = ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) | |
| 9 | dia2dimlem1.k | ⊢ ( 𝜑 → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 10 | dia2dimlem1.u | ⊢ ( 𝜑 → ( 𝑈 ∈ 𝐴 ∧ 𝑈 ≤ 𝑊 ) ) | |
| 11 | dia2dimlem1.v | ⊢ ( 𝜑 → ( 𝑉 ∈ 𝐴 ∧ 𝑉 ≤ 𝑊 ) ) | |
| 12 | dia2dimlem1.p | ⊢ ( 𝜑 → ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) | |
| 13 | dia2dimlem1.f | ⊢ ( 𝜑 → ( 𝐹 ∈ 𝑇 ∧ ( 𝐹 ‘ 𝑃 ) ≠ 𝑃 ) ) | |
| 14 | dia2dimlem1.rf | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≤ ( 𝑈 ∨ 𝑉 ) ) | |
| 15 | dia2dimlem1.uv | ⊢ ( 𝜑 → 𝑈 ≠ 𝑉 ) | |
| 16 | dia2dimlem1.ru | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≠ 𝑈 ) | |
| 17 | 9 | simpld | ⊢ ( 𝜑 → 𝐾 ∈ HL ) |
| 18 | 12 | simpld | ⊢ ( 𝜑 → 𝑃 ∈ 𝐴 ) |
| 19 | 1 4 5 6 7 | trlat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝐹 ∈ 𝑇 ∧ ( 𝐹 ‘ 𝑃 ) ≠ 𝑃 ) ) → ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 ) |
| 20 | 9 12 13 19 | syl3anc | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 ) |
| 21 | 10 | simpld | ⊢ ( 𝜑 → 𝑈 ∈ 𝐴 ) |
| 22 | 13 | simpld | ⊢ ( 𝜑 → 𝐹 ∈ 𝑇 ) |
| 23 | 1 4 5 6 | ltrnel | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ ¬ ( 𝐹 ‘ 𝑃 ) ≤ 𝑊 ) ) |
| 24 | 9 22 12 23 | syl3anc | ⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ ¬ ( 𝐹 ‘ 𝑃 ) ≤ 𝑊 ) ) |
| 25 | 24 | simpld | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ) |
| 26 | 11 | simpld | ⊢ ( 𝜑 → 𝑉 ∈ 𝐴 ) |
| 27 | 12 | simprd | ⊢ ( 𝜑 → ¬ 𝑃 ≤ 𝑊 ) |
| 28 | 1 5 6 7 | trlle | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ) → ( 𝑅 ‘ 𝐹 ) ≤ 𝑊 ) |
| 29 | 9 22 28 | syl2anc | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≤ 𝑊 ) |
| 30 | 10 | simprd | ⊢ ( 𝜑 → 𝑈 ≤ 𝑊 ) |
| 31 | 17 | hllatd | ⊢ ( 𝜑 → 𝐾 ∈ Lat ) |
| 32 | eqid | ⊢ ( Base ‘ 𝐾 ) = ( Base ‘ 𝐾 ) | |
| 33 | 32 4 | atbase | ⊢ ( ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 → ( 𝑅 ‘ 𝐹 ) ∈ ( Base ‘ 𝐾 ) ) |
| 34 | 20 33 | syl | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ∈ ( Base ‘ 𝐾 ) ) |
| 35 | 32 4 | atbase | ⊢ ( 𝑈 ∈ 𝐴 → 𝑈 ∈ ( Base ‘ 𝐾 ) ) |
| 36 | 21 35 | syl | ⊢ ( 𝜑 → 𝑈 ∈ ( Base ‘ 𝐾 ) ) |
| 37 | 9 | simprd | ⊢ ( 𝜑 → 𝑊 ∈ 𝐻 ) |
| 38 | 32 5 | lhpbase | ⊢ ( 𝑊 ∈ 𝐻 → 𝑊 ∈ ( Base ‘ 𝐾 ) ) |
| 39 | 37 38 | syl | ⊢ ( 𝜑 → 𝑊 ∈ ( Base ‘ 𝐾 ) ) |
| 40 | 32 1 2 | latjle12 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( ( 𝑅 ‘ 𝐹 ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑈 ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ) → ( ( ( 𝑅 ‘ 𝐹 ) ≤ 𝑊 ∧ 𝑈 ≤ 𝑊 ) ↔ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ≤ 𝑊 ) ) |
| 41 | 31 34 36 39 40 | syl13anc | ⊢ ( 𝜑 → ( ( ( 𝑅 ‘ 𝐹 ) ≤ 𝑊 ∧ 𝑈 ≤ 𝑊 ) ↔ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ≤ 𝑊 ) ) |
| 42 | 29 30 41 | mpbi2and | ⊢ ( 𝜑 → ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ≤ 𝑊 ) |
| 43 | 32 4 | atbase | ⊢ ( 𝑃 ∈ 𝐴 → 𝑃 ∈ ( Base ‘ 𝐾 ) ) |
| 44 | 18 43 | syl | ⊢ ( 𝜑 → 𝑃 ∈ ( Base ‘ 𝐾 ) ) |
| 45 | 32 2 4 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) → ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 46 | 17 20 21 45 | syl3anc | ⊢ ( 𝜑 → ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 47 | 32 1 | lattr | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∈ ( Base ‘ 𝐾 ) ∧ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ) → ( ( 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∧ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ≤ 𝑊 ) → 𝑃 ≤ 𝑊 ) ) |
| 48 | 31 44 46 39 47 | syl13anc | ⊢ ( 𝜑 → ( ( 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∧ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ≤ 𝑊 ) → 𝑃 ≤ 𝑊 ) ) |
| 49 | 42 48 | mpan2d | ⊢ ( 𝜑 → ( 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) → 𝑃 ≤ 𝑊 ) ) |
| 50 | 27 49 | mtod | ⊢ ( 𝜑 → ¬ 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) |
| 51 | 11 | simprd | ⊢ ( 𝜑 → 𝑉 ≤ 𝑊 ) |
| 52 | 24 | simprd | ⊢ ( 𝜑 → ¬ ( 𝐹 ‘ 𝑃 ) ≤ 𝑊 ) |
| 53 | nbrne2 | ⊢ ( ( 𝑉 ≤ 𝑊 ∧ ¬ ( 𝐹 ‘ 𝑃 ) ≤ 𝑊 ) → 𝑉 ≠ ( 𝐹 ‘ 𝑃 ) ) | |
| 54 | 51 52 53 | syl2anc | ⊢ ( 𝜑 → 𝑉 ≠ ( 𝐹 ‘ 𝑃 ) ) |
| 55 | 54 | necomd | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝑃 ) ≠ 𝑉 ) |
| 56 | 50 55 | jca | ⊢ ( 𝜑 → ( ¬ 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∧ ( 𝐹 ‘ 𝑃 ) ≠ 𝑉 ) ) |
| 57 | 31 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝐾 ∈ Lat ) |
| 58 | 44 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑃 ∈ ( Base ‘ 𝐾 ) ) |
| 59 | 32 2 4 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑉 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) → ( 𝑉 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 60 | 17 26 21 59 | syl3anc | ⊢ ( 𝜑 → ( 𝑉 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 61 | 60 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → ( 𝑉 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 62 | 39 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑊 ∈ ( Base ‘ 𝐾 ) ) |
| 63 | 1 2 4 | hlatlej2 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ) → 𝑉 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 64 | 17 25 26 63 | syl3anc | ⊢ ( 𝜑 → 𝑉 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 65 | 64 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑉 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 66 | simpr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) | |
| 67 | 65 66 | breqtrrd | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑉 ≤ ( 𝑃 ∨ 𝑈 ) ) |
| 68 | 15 | necomd | ⊢ ( 𝜑 → 𝑉 ≠ 𝑈 ) |
| 69 | 1 2 4 | hlatexch2 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑉 ∈ 𝐴 ∧ 𝑃 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) ∧ 𝑉 ≠ 𝑈 ) → ( 𝑉 ≤ ( 𝑃 ∨ 𝑈 ) → 𝑃 ≤ ( 𝑉 ∨ 𝑈 ) ) ) |
| 70 | 17 26 18 21 68 69 | syl131anc | ⊢ ( 𝜑 → ( 𝑉 ≤ ( 𝑃 ∨ 𝑈 ) → 𝑃 ≤ ( 𝑉 ∨ 𝑈 ) ) ) |
| 71 | 70 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → ( 𝑉 ≤ ( 𝑃 ∨ 𝑈 ) → 𝑃 ≤ ( 𝑉 ∨ 𝑈 ) ) ) |
| 72 | 67 71 | mpd | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑃 ≤ ( 𝑉 ∨ 𝑈 ) ) |
| 73 | 32 4 | atbase | ⊢ ( 𝑉 ∈ 𝐴 → 𝑉 ∈ ( Base ‘ 𝐾 ) ) |
| 74 | 26 73 | syl | ⊢ ( 𝜑 → 𝑉 ∈ ( Base ‘ 𝐾 ) ) |
| 75 | 32 1 2 | latjle12 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑉 ∈ ( Base ‘ 𝐾 ) ∧ 𝑈 ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ) → ( ( 𝑉 ≤ 𝑊 ∧ 𝑈 ≤ 𝑊 ) ↔ ( 𝑉 ∨ 𝑈 ) ≤ 𝑊 ) ) |
| 76 | 31 74 36 39 75 | syl13anc | ⊢ ( 𝜑 → ( ( 𝑉 ≤ 𝑊 ∧ 𝑈 ≤ 𝑊 ) ↔ ( 𝑉 ∨ 𝑈 ) ≤ 𝑊 ) ) |
| 77 | 51 30 76 | mpbi2and | ⊢ ( 𝜑 → ( 𝑉 ∨ 𝑈 ) ≤ 𝑊 ) |
| 78 | 77 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → ( 𝑉 ∨ 𝑈 ) ≤ 𝑊 ) |
| 79 | 32 1 57 58 61 62 72 78 | lattrd | ⊢ ( ( 𝜑 ∧ ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) → 𝑃 ≤ 𝑊 ) |
| 80 | 79 | ex | ⊢ ( 𝜑 → ( ( 𝑃 ∨ 𝑈 ) = ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) → 𝑃 ≤ 𝑊 ) ) |
| 81 | 80 | necon3bd | ⊢ ( 𝜑 → ( ¬ 𝑃 ≤ 𝑊 → ( 𝑃 ∨ 𝑈 ) ≠ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ) |
| 82 | 27 81 | mpd | ⊢ ( 𝜑 → ( 𝑃 ∨ 𝑈 ) ≠ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 83 | 1 2 4 | hlatlej2 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ) → ( 𝐹 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 84 | 17 18 25 83 | syl3anc | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 85 | 1 2 3 4 5 6 7 | trlval2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( 𝑅 ‘ 𝐹 ) = ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) |
| 86 | 9 22 12 85 | syl3anc | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) = ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) |
| 87 | 86 | oveq2d | ⊢ ( 𝜑 → ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) = ( 𝑃 ∨ ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) ) |
| 88 | 32 2 4 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ) → ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∈ ( Base ‘ 𝐾 ) ) |
| 89 | 17 18 25 88 | syl3anc | ⊢ ( 𝜑 → ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∈ ( Base ‘ 𝐾 ) ) |
| 90 | 1 2 4 | hlatlej1 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ) → 𝑃 ≤ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 91 | 17 18 25 90 | syl3anc | ⊢ ( 𝜑 → 𝑃 ≤ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 92 | 32 1 2 3 4 | atmod3i1 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑃 ∈ 𝐴 ∧ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ∧ 𝑃 ≤ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) → ( 𝑃 ∨ ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) = ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 𝑃 ∨ 𝑊 ) ) ) |
| 93 | 17 18 89 39 91 92 | syl131anc | ⊢ ( 𝜑 → ( 𝑃 ∨ ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) = ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 𝑃 ∨ 𝑊 ) ) ) |
| 94 | eqid | ⊢ ( 1. ‘ 𝐾 ) = ( 1. ‘ 𝐾 ) | |
| 95 | 1 2 94 4 5 | lhpjat2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( 𝑃 ∨ 𝑊 ) = ( 1. ‘ 𝐾 ) ) |
| 96 | 9 12 95 | syl2anc | ⊢ ( 𝜑 → ( 𝑃 ∨ 𝑊 ) = ( 1. ‘ 𝐾 ) ) |
| 97 | 96 | oveq2d | ⊢ ( 𝜑 → ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 𝑃 ∨ 𝑊 ) ) = ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 1. ‘ 𝐾 ) ) ) |
| 98 | hlol | ⊢ ( 𝐾 ∈ HL → 𝐾 ∈ OL ) | |
| 99 | 17 98 | syl | ⊢ ( 𝜑 → 𝐾 ∈ OL ) |
| 100 | 32 3 94 | olm11 | ⊢ ( ( 𝐾 ∈ OL ∧ ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∈ ( Base ‘ 𝐾 ) ) → ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 1. ‘ 𝐾 ) ) = ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 101 | 99 89 100 | syl2anc | ⊢ ( 𝜑 → ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 1. ‘ 𝐾 ) ) = ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 102 | 97 101 | eqtrd | ⊢ ( 𝜑 → ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ ( 𝑃 ∨ 𝑊 ) ) = ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 103 | 93 102 | eqtrd | ⊢ ( 𝜑 → ( 𝑃 ∨ ( ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ∧ 𝑊 ) ) = ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 104 | 87 103 | eqtrd | ⊢ ( 𝜑 → ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) = ( 𝑃 ∨ ( 𝐹 ‘ 𝑃 ) ) ) |
| 105 | 84 104 | breqtrrd | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ) |
| 106 | 2 4 | hlatjcom | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑈 ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ) → ( 𝑈 ∨ 𝑉 ) = ( 𝑉 ∨ 𝑈 ) ) |
| 107 | 17 21 26 106 | syl3anc | ⊢ ( 𝜑 → ( 𝑈 ∨ 𝑉 ) = ( 𝑉 ∨ 𝑈 ) ) |
| 108 | 14 107 | breqtrd | ⊢ ( 𝜑 → ( 𝑅 ‘ 𝐹 ) ≤ ( 𝑉 ∨ 𝑈 ) ) |
| 109 | 1 2 4 | hlatexch2 | ⊢ ( ( 𝐾 ∈ HL ∧ ( ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ 𝑈 ) → ( ( 𝑅 ‘ 𝐹 ) ≤ ( 𝑉 ∨ 𝑈 ) → 𝑉 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) ) |
| 110 | 17 20 26 21 16 109 | syl131anc | ⊢ ( 𝜑 → ( ( 𝑅 ‘ 𝐹 ) ≤ ( 𝑉 ∨ 𝑈 ) → 𝑉 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) ) |
| 111 | 108 110 | mpd | ⊢ ( 𝜑 → 𝑉 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) |
| 112 | 105 111 | jca | ⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ 𝑉 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) ) |
| 113 | 1 2 3 4 | ps-2c | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ ( 𝑅 ‘ 𝐹 ) ∈ 𝐴 ) ∧ ( 𝑈 ∈ 𝐴 ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ) ∧ ( ( ¬ 𝑃 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ∧ ( 𝐹 ‘ 𝑃 ) ≠ 𝑉 ) ∧ ( 𝑃 ∨ 𝑈 ) ≠ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ 𝑉 ≤ ( ( 𝑅 ‘ 𝐹 ) ∨ 𝑈 ) ) ) ) → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ∈ 𝐴 ) |
| 114 | 17 18 20 21 25 26 56 82 112 113 | syl333anc | ⊢ ( 𝜑 → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ∈ 𝐴 ) |
| 115 | 8 114 | eqeltrid | ⊢ ( 𝜑 → 𝑄 ∈ 𝐴 ) |
| 116 | 32 2 4 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) → ( 𝑃 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 117 | 17 18 21 116 | syl3anc | ⊢ ( 𝜑 → ( 𝑃 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ) |
| 118 | 32 2 4 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ) → ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∈ ( Base ‘ 𝐾 ) ) |
| 119 | 17 25 26 118 | syl3anc | ⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∈ ( Base ‘ 𝐾 ) ) |
| 120 | 32 1 3 | latmle1 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∈ ( Base ‘ 𝐾 ) ) → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ≤ ( 𝑃 ∨ 𝑈 ) ) |
| 121 | 31 117 119 120 | syl3anc | ⊢ ( 𝜑 → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ≤ ( 𝑃 ∨ 𝑈 ) ) |
| 122 | 8 121 | eqbrtrid | ⊢ ( 𝜑 → 𝑄 ≤ ( 𝑃 ∨ 𝑈 ) ) |
| 123 | 32 4 | atbase | ⊢ ( 𝑄 ∈ 𝐴 → 𝑄 ∈ ( Base ‘ 𝐾 ) ) |
| 124 | 115 123 | syl | ⊢ ( 𝜑 → 𝑄 ∈ ( Base ‘ 𝐾 ) ) |
| 125 | 32 1 3 | latlem12 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑄 ∈ ( Base ‘ 𝐾 ) ∧ ( 𝑃 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ) → ( ( 𝑄 ≤ ( 𝑃 ∨ 𝑈 ) ∧ 𝑄 ≤ 𝑊 ) ↔ 𝑄 ≤ ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) ) |
| 126 | 31 124 117 39 125 | syl13anc | ⊢ ( 𝜑 → ( ( 𝑄 ≤ ( 𝑃 ∨ 𝑈 ) ∧ 𝑄 ≤ 𝑊 ) ↔ 𝑄 ≤ ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) ) |
| 127 | 126 | biimpd | ⊢ ( 𝜑 → ( ( 𝑄 ≤ ( 𝑃 ∨ 𝑈 ) ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) ) |
| 128 | 122 127 | mpand | ⊢ ( 𝜑 → ( 𝑄 ≤ 𝑊 → 𝑄 ≤ ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) ) |
| 129 | 128 | imp | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) |
| 130 | eqid | ⊢ ( 0. ‘ 𝐾 ) = ( 0. ‘ 𝐾 ) | |
| 131 | 1 3 130 4 5 | lhpmat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ) → ( 𝑃 ∧ 𝑊 ) = ( 0. ‘ 𝐾 ) ) |
| 132 | 9 12 131 | syl2anc | ⊢ ( 𝜑 → ( 𝑃 ∧ 𝑊 ) = ( 0. ‘ 𝐾 ) ) |
| 133 | 132 | oveq1d | ⊢ ( 𝜑 → ( ( 𝑃 ∧ 𝑊 ) ∨ 𝑈 ) = ( ( 0. ‘ 𝐾 ) ∨ 𝑈 ) ) |
| 134 | 32 1 2 3 4 | atmod4i1 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑈 ∈ 𝐴 ∧ 𝑃 ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ∧ 𝑈 ≤ 𝑊 ) → ( ( 𝑃 ∧ 𝑊 ) ∨ 𝑈 ) = ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) |
| 135 | 17 21 44 39 30 134 | syl131anc | ⊢ ( 𝜑 → ( ( 𝑃 ∧ 𝑊 ) ∨ 𝑈 ) = ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) ) |
| 136 | 32 2 130 | olj02 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑈 ∈ ( Base ‘ 𝐾 ) ) → ( ( 0. ‘ 𝐾 ) ∨ 𝑈 ) = 𝑈 ) |
| 137 | 99 36 136 | syl2anc | ⊢ ( 𝜑 → ( ( 0. ‘ 𝐾 ) ∨ 𝑈 ) = 𝑈 ) |
| 138 | 133 135 137 | 3eqtr3d | ⊢ ( 𝜑 → ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) = 𝑈 ) |
| 139 | 138 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → ( ( 𝑃 ∨ 𝑈 ) ∧ 𝑊 ) = 𝑈 ) |
| 140 | 129 139 | breqtrd | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ 𝑈 ) |
| 141 | hlatl | ⊢ ( 𝐾 ∈ HL → 𝐾 ∈ AtLat ) | |
| 142 | 17 141 | syl | ⊢ ( 𝜑 → 𝐾 ∈ AtLat ) |
| 143 | 142 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝐾 ∈ AtLat ) |
| 144 | 115 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ∈ 𝐴 ) |
| 145 | 21 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑈 ∈ 𝐴 ) |
| 146 | 1 4 | atcmp | ⊢ ( ( 𝐾 ∈ AtLat ∧ 𝑄 ∈ 𝐴 ∧ 𝑈 ∈ 𝐴 ) → ( 𝑄 ≤ 𝑈 ↔ 𝑄 = 𝑈 ) ) |
| 147 | 143 144 145 146 | syl3anc | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → ( 𝑄 ≤ 𝑈 ↔ 𝑄 = 𝑈 ) ) |
| 148 | 140 147 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 = 𝑈 ) |
| 149 | 32 1 3 | latmle2 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∨ 𝑈 ) ∈ ( Base ‘ 𝐾 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∈ ( Base ‘ 𝐾 ) ) → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 150 | 31 117 119 149 | syl3anc | ⊢ ( 𝜑 → ( ( 𝑃 ∨ 𝑈 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 151 | 8 150 | eqbrtrid | ⊢ ( 𝜑 → 𝑄 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ) |
| 152 | 32 1 3 | latlem12 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑄 ∈ ( Base ‘ 𝐾 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ) → ( ( 𝑄 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑄 ≤ 𝑊 ) ↔ 𝑄 ≤ ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) ) |
| 153 | 31 124 119 39 152 | syl13anc | ⊢ ( 𝜑 → ( ( 𝑄 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑄 ≤ 𝑊 ) ↔ 𝑄 ≤ ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) ) |
| 154 | 153 | biimpd | ⊢ ( 𝜑 → ( ( 𝑄 ≤ ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) ) |
| 155 | 151 154 | mpand | ⊢ ( 𝜑 → ( 𝑄 ≤ 𝑊 → 𝑄 ≤ ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) ) |
| 156 | 155 | imp | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) |
| 157 | 1 3 130 4 5 | lhpmat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 ∧ ¬ ( 𝐹 ‘ 𝑃 ) ≤ 𝑊 ) ) → ( ( 𝐹 ‘ 𝑃 ) ∧ 𝑊 ) = ( 0. ‘ 𝐾 ) ) |
| 158 | 9 24 157 | syl2anc | ⊢ ( 𝜑 → ( ( 𝐹 ‘ 𝑃 ) ∧ 𝑊 ) = ( 0. ‘ 𝐾 ) ) |
| 159 | 158 | oveq1d | ⊢ ( 𝜑 → ( ( ( 𝐹 ‘ 𝑃 ) ∧ 𝑊 ) ∨ 𝑉 ) = ( ( 0. ‘ 𝐾 ) ∨ 𝑉 ) ) |
| 160 | 32 4 | atbase | ⊢ ( ( 𝐹 ‘ 𝑃 ) ∈ 𝐴 → ( 𝐹 ‘ 𝑃 ) ∈ ( Base ‘ 𝐾 ) ) |
| 161 | 25 160 | syl | ⊢ ( 𝜑 → ( 𝐹 ‘ 𝑃 ) ∈ ( Base ‘ 𝐾 ) ) |
| 162 | 32 1 2 3 4 | atmod4i1 | ⊢ ( ( 𝐾 ∈ HL ∧ ( 𝑉 ∈ 𝐴 ∧ ( 𝐹 ‘ 𝑃 ) ∈ ( Base ‘ 𝐾 ) ∧ 𝑊 ∈ ( Base ‘ 𝐾 ) ) ∧ 𝑉 ≤ 𝑊 ) → ( ( ( 𝐹 ‘ 𝑃 ) ∧ 𝑊 ) ∨ 𝑉 ) = ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) |
| 163 | 17 26 161 39 51 162 | syl131anc | ⊢ ( 𝜑 → ( ( ( 𝐹 ‘ 𝑃 ) ∧ 𝑊 ) ∨ 𝑉 ) = ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) ) |
| 164 | 32 2 130 | olj02 | ⊢ ( ( 𝐾 ∈ OL ∧ 𝑉 ∈ ( Base ‘ 𝐾 ) ) → ( ( 0. ‘ 𝐾 ) ∨ 𝑉 ) = 𝑉 ) |
| 165 | 99 74 164 | syl2anc | ⊢ ( 𝜑 → ( ( 0. ‘ 𝐾 ) ∨ 𝑉 ) = 𝑉 ) |
| 166 | 159 163 165 | 3eqtr3d | ⊢ ( 𝜑 → ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) = 𝑉 ) |
| 167 | 166 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → ( ( ( 𝐹 ‘ 𝑃 ) ∨ 𝑉 ) ∧ 𝑊 ) = 𝑉 ) |
| 168 | 156 167 | breqtrd | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 ≤ 𝑉 ) |
| 169 | 26 | adantr | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑉 ∈ 𝐴 ) |
| 170 | 1 4 | atcmp | ⊢ ( ( 𝐾 ∈ AtLat ∧ 𝑄 ∈ 𝐴 ∧ 𝑉 ∈ 𝐴 ) → ( 𝑄 ≤ 𝑉 ↔ 𝑄 = 𝑉 ) ) |
| 171 | 143 144 169 170 | syl3anc | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → ( 𝑄 ≤ 𝑉 ↔ 𝑄 = 𝑉 ) ) |
| 172 | 168 171 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑄 = 𝑉 ) |
| 173 | 148 172 | eqtr3d | ⊢ ( ( 𝜑 ∧ 𝑄 ≤ 𝑊 ) → 𝑈 = 𝑉 ) |
| 174 | 173 | ex | ⊢ ( 𝜑 → ( 𝑄 ≤ 𝑊 → 𝑈 = 𝑉 ) ) |
| 175 | 174 | necon3ad | ⊢ ( 𝜑 → ( 𝑈 ≠ 𝑉 → ¬ 𝑄 ≤ 𝑊 ) ) |
| 176 | 15 175 | mpd | ⊢ ( 𝜑 → ¬ 𝑄 ≤ 𝑊 ) |
| 177 | 115 176 | jca | ⊢ ( 𝜑 → ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) |