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Description: Part of proof of Lemma H of Crawley p. 118. (Contributed by NM, 17-Jun-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemh.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| cdlemh.l | ⊢ ≤ = ( le ‘ 𝐾 ) | ||
| cdlemh.j | ⊢ ∨ = ( join ‘ 𝐾 ) | ||
| cdlemh.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | ||
| cdlemh.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | ||
| cdlemh.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | ||
| cdlemh.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | ||
| cdlemh.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | ||
| cdlemh.s | ⊢ 𝑆 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) | ||
| Assertion | cdlemh1 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑆 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemh.b | ⊢ 𝐵 = ( Base ‘ 𝐾 ) | |
| 2 | cdlemh.l | ⊢ ≤ = ( le ‘ 𝐾 ) | |
| 3 | cdlemh.j | ⊢ ∨ = ( join ‘ 𝐾 ) | |
| 4 | cdlemh.m | ⊢ ∧ = ( meet ‘ 𝐾 ) | |
| 5 | cdlemh.a | ⊢ 𝐴 = ( Atoms ‘ 𝐾 ) | |
| 6 | cdlemh.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 7 | cdlemh.t | ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | |
| 8 | cdlemh.r | ⊢ 𝑅 = ( ( trL ‘ 𝐾 ) ‘ 𝑊 ) | |
| 9 | cdlemh.s | ⊢ 𝑆 = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) | |
| 10 | 9 | oveq1i | ⊢ ( 𝑆 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) |
| 11 | simp11l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝐾 ∈ HL ) | |
| 12 | simp11 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 13 | simp13 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝐺 ∈ 𝑇 ) | |
| 14 | simp12 | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝐹 ∈ 𝑇 ) | |
| 15 | simp3r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) | |
| 16 | 15 | necomd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ 𝐺 ) ≠ ( 𝑅 ‘ 𝐹 ) ) |
| 17 | 5 6 7 8 | trlcocnvat | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝐺 ∈ 𝑇 ∧ 𝐹 ∈ 𝑇 ) ∧ ( 𝑅 ‘ 𝐺 ) ≠ ( 𝑅 ‘ 𝐹 ) ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐴 ) |
| 18 | 12 13 14 16 17 | syl121anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐴 ) |
| 19 | 11 | hllatd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝐾 ∈ Lat ) |
| 20 | simp2l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝑃 ∈ 𝐴 ) | |
| 21 | 1 5 | atbase | ⊢ ( 𝑃 ∈ 𝐴 → 𝑃 ∈ 𝐵 ) |
| 22 | 20 21 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝑃 ∈ 𝐵 ) |
| 23 | 1 6 7 8 | trlcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐺 ∈ 𝑇 ) → ( 𝑅 ‘ 𝐺 ) ∈ 𝐵 ) |
| 24 | 12 13 23 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ 𝐺 ) ∈ 𝐵 ) |
| 25 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ ( 𝑅 ‘ 𝐺 ) ∈ 𝐵 ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ) |
| 26 | 19 22 24 25 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ) |
| 27 | simp2r | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝑄 ∈ 𝐴 ) | |
| 28 | 1 3 5 | hlatjcl | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐴 ) → ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) |
| 29 | 11 27 18 28 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) |
| 30 | 2 3 5 | hlatlej2 | ⊢ ( ( 𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐴 ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ≤ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 31 | 11 27 18 30 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ≤ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 32 | 1 2 3 4 5 | atmod4i1 | ⊢ ( ( 𝐾 ∈ HL ∧ ( ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐴 ∧ ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∈ 𝐵 ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ≤ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) → ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 33 | 11 18 26 29 31 32 | syl131anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 34 | 6 7 | ltrncnv | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ) → ◡ 𝐹 ∈ 𝑇 ) |
| 35 | 12 14 34 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ◡ 𝐹 ∈ 𝑇 ) |
| 36 | 3 6 7 8 | trljco2 | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐺 ∈ 𝑇 ∧ ◡ 𝐹 ∈ 𝑇 ) → ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( 𝑅 ‘ ◡ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 37 | 12 13 35 36 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( 𝑅 ‘ ◡ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 38 | 6 7 8 | trlcnv | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ) → ( 𝑅 ‘ ◡ 𝐹 ) = ( 𝑅 ‘ 𝐹 ) ) |
| 39 | 12 14 38 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ ◡ 𝐹 ) = ( 𝑅 ‘ 𝐹 ) ) |
| 40 | 39 | oveq1d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑅 ‘ ◡ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( 𝑅 ‘ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 41 | 37 40 | eqtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( 𝑅 ‘ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 42 | 41 | oveq2d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) = ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 43 | 6 7 | ltrnco | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐺 ∈ 𝑇 ∧ ◡ 𝐹 ∈ 𝑇 ) → ( 𝐺 ∘ ◡ 𝐹 ) ∈ 𝑇 ) |
| 44 | 12 13 35 43 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝐺 ∘ ◡ 𝐹 ) ∈ 𝑇 ) |
| 45 | 1 6 7 8 | trlcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝐺 ∘ ◡ 𝐹 ) ∈ 𝑇 ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) |
| 46 | 12 44 45 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) |
| 47 | 1 3 | latjass | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∈ 𝐵 ∧ ( 𝑅 ‘ 𝐺 ) ∈ 𝐵 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 48 | 19 22 24 46 47 | syl13anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐺 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 49 | 1 6 7 8 | trlcl | ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ) → ( 𝑅 ‘ 𝐹 ) ∈ 𝐵 ) |
| 50 | 12 14 49 | syl2anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑅 ‘ 𝐹 ) ∈ 𝐵 ) |
| 51 | 1 3 | latjass | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∈ 𝐵 ∧ ( 𝑅 ‘ 𝐹 ) ∈ 𝐵 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 52 | 19 22 50 46 51 | syl13anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑃 ∨ ( ( 𝑅 ‘ 𝐹 ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 53 | 42 48 52 | 3eqtr4d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 54 | 53 | oveq1d | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) = ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 55 | simp3l | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ) | |
| 56 | 1 5 | atbase | ⊢ ( 𝑄 ∈ 𝐴 → 𝑄 ∈ 𝐵 ) |
| 57 | 27 56 | syl | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → 𝑄 ∈ 𝐵 ) |
| 58 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ 𝑃 ∈ 𝐵 ∧ ( 𝑅 ‘ 𝐹 ) ∈ 𝐵 ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∈ 𝐵 ) |
| 59 | 19 22 50 58 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∈ 𝐵 ) |
| 60 | 1 2 3 | latjlej1 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑄 ∈ 𝐵 ∧ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∈ 𝐵 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) ) → ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) → ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 61 | 19 57 59 46 60 | syl13anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) → ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 62 | 55 61 | mpd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 63 | 1 3 | latjcl | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∈ 𝐵 ∧ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ∈ 𝐵 ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) |
| 64 | 19 59 46 63 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) |
| 65 | 1 2 4 | latleeqm2 | ⊢ ( ( 𝐾 ∈ Lat ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ∧ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∈ 𝐵 ) → ( ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ↔ ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 66 | 19 29 64 65 | syl3anc | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ≤ ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ↔ ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ) |
| 67 | 62 66 | mpbid | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 68 | 33 54 67 | 3eqtrd | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( ( ( 𝑃 ∨ ( 𝑅 ‘ 𝐺 ) ) ∧ ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |
| 69 | 10 68 | eqtrid | ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ 𝐹 ∈ 𝑇 ∧ 𝐺 ∈ 𝑇 ) ∧ ( 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ) ∧ ( 𝑄 ≤ ( 𝑃 ∨ ( 𝑅 ‘ 𝐹 ) ) ∧ ( 𝑅 ‘ 𝐹 ) ≠ ( 𝑅 ‘ 𝐺 ) ) ) → ( 𝑆 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) = ( 𝑄 ∨ ( 𝑅 ‘ ( 𝐺 ∘ ◡ 𝐹 ) ) ) ) |