| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemg8.l | ⊢  ≤   =  ( le ‘ 𝐾 ) | 
						
							| 2 |  | cdlemg8.j | ⊢  ∨   =  ( join ‘ 𝐾 ) | 
						
							| 3 |  | cdlemg8.m | ⊢  ∧   =  ( meet ‘ 𝐾 ) | 
						
							| 4 |  | cdlemg8.a | ⊢ 𝐴  =  ( Atoms ‘ 𝐾 ) | 
						
							| 5 |  | cdlemg8.h | ⊢ 𝐻  =  ( LHyp ‘ 𝐾 ) | 
						
							| 6 |  | cdlemg8.t | ⊢ 𝑇  =  ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 ) | 
						
							| 7 |  | simp1 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 ) ) | 
						
							| 8 |  | simp22 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 ) ) | 
						
							| 9 |  | simp21 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 ) ) | 
						
							| 10 |  | simp23 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  𝐹  ∈  𝑇 ) | 
						
							| 11 |  | simp31 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  𝐺  ∈  𝑇 ) | 
						
							| 12 |  | simp32 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 ) ) | 
						
							| 13 |  | simp1l | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  𝐾  ∈  HL ) | 
						
							| 14 | 1 4 5 6 | ltrnel | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐺  ∈  𝑇  ∧  ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 ) )  →  ( ( 𝐺 ‘ 𝑃 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑃 )  ≤  𝑊 ) ) | 
						
							| 15 | 7 11 9 14 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐺 ‘ 𝑃 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑃 )  ≤  𝑊 ) ) | 
						
							| 16 | 1 4 5 6 | ltrnel | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐹  ∈  𝑇  ∧  ( ( 𝐺 ‘ 𝑃 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑃 )  ≤  𝑊 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∈  𝐴  ∧  ¬  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≤  𝑊 ) ) | 
						
							| 17 | 16 | simpld | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐹  ∈  𝑇  ∧  ( ( 𝐺 ‘ 𝑃 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑃 )  ≤  𝑊 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∈  𝐴 ) | 
						
							| 18 | 7 10 15 17 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∈  𝐴 ) | 
						
							| 19 | 1 4 5 6 | ltrnel | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐺  ∈  𝑇  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 ) )  →  ( ( 𝐺 ‘ 𝑄 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑄 )  ≤  𝑊 ) ) | 
						
							| 20 | 7 11 8 19 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐺 ‘ 𝑄 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑄 )  ≤  𝑊 ) ) | 
						
							| 21 | 1 4 5 6 | ltrnel | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐹  ∈  𝑇  ∧  ( ( 𝐺 ‘ 𝑄 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑄 )  ≤  𝑊 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∈  𝐴  ∧  ¬  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ≤  𝑊 ) ) | 
						
							| 22 | 21 | simpld | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  𝐹  ∈  𝑇  ∧  ( ( 𝐺 ‘ 𝑄 )  ∈  𝐴  ∧  ¬  ( 𝐺 ‘ 𝑄 )  ≤  𝑊 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∈  𝐴 ) | 
						
							| 23 | 7 10 20 22 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∈  𝐴 ) | 
						
							| 24 | 2 4 | hlatjcom | ⊢ ( ( 𝐾  ∈  HL  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∈  𝐴  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∈  𝐴 )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) ) ) ) | 
						
							| 25 | 13 18 23 24 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) ) ) ) | 
						
							| 26 |  | simp21l | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  𝑃  ∈  𝐴 ) | 
						
							| 27 |  | simp22l | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  𝑄  ∈  𝐴 ) | 
						
							| 28 | 2 4 | hlatjcom | ⊢ ( ( 𝐾  ∈  HL  ∧  𝑃  ∈  𝐴  ∧  𝑄  ∈  𝐴 )  →  ( 𝑃  ∨  𝑄 )  =  ( 𝑄  ∨  𝑃 ) ) | 
						
							| 29 | 13 26 27 28 | syl3anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝑃  ∨  𝑄 )  =  ( 𝑄  ∨  𝑃 ) ) | 
						
							| 30 | 12 25 29 | 3eqtr3d | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) ) )  =  ( 𝑄  ∨  𝑃 ) ) | 
						
							| 31 |  | simp33 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) | 
						
							| 32 |  | simpl1 | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 ) ) | 
						
							| 33 |  | simpl22 | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 ) ) | 
						
							| 34 |  | simpl21 | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 ) ) | 
						
							| 35 |  | simpl23 | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  𝐹  ∈  𝑇 ) | 
						
							| 36 |  | simpl31 | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  𝐺  ∈  𝑇 ) | 
						
							| 37 |  | simpr | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 ) | 
						
							| 38 | 1 4 5 6 | cdlemg6 | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 ) )  ∧  ( 𝐹  ∈  𝑇  ∧  𝐺  ∈  𝑇  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  =  𝑃 ) | 
						
							| 39 | 32 33 34 35 36 37 38 | syl123anc | ⊢ ( ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄 )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  =  𝑃 ) | 
						
							| 40 | 39 | ex | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  =  𝑄  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  =  𝑃 ) ) | 
						
							| 41 | 40 | necon3d | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ≠  𝑄 ) ) | 
						
							| 42 | 31 41 | mpd | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ≠  𝑄 ) | 
						
							| 43 | 1 2 3 4 5 6 | cdlemg8b | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) ) )  =  ( 𝑄  ∨  𝑃 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) )  ≠  𝑄 ) )  →  ( 𝑄  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑄  ∨  𝑃 ) ) | 
						
							| 44 | 7 8 9 10 11 30 42 43 | syl133anc | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝑄  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑄  ∨  𝑃 ) ) | 
						
							| 45 | 44 29 | eqtr4d | ⊢ ( ( ( 𝐾  ∈  HL  ∧  𝑊  ∈  𝐻 )  ∧  ( ( 𝑃  ∈  𝐴  ∧  ¬  𝑃  ≤  𝑊 )  ∧  ( 𝑄  ∈  𝐴  ∧  ¬  𝑄  ≤  𝑊 )  ∧  𝐹  ∈  𝑇 )  ∧  ( 𝐺  ∈  𝑇  ∧  ( ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 )  ∧  ( 𝐹 ‘ ( 𝐺 ‘ 𝑃 ) )  ≠  𝑃 ) )  →  ( 𝑄  ∨  ( 𝐹 ‘ ( 𝐺 ‘ 𝑄 ) ) )  =  ( 𝑃  ∨  𝑄 ) ) |