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Metamath Proof Explorer

Theorem cdleme38n

Description: Part of proof of Lemma E in Crawley p. 113. Show that f(x) is one-to-one on P .\/ Q line. TODO: FIX COMMENT. TODO shorter if proved directly from cdleme36m and cdleme37m ? (Contributed by NM, 14-Mar-2013)

Ref Expression
Hypotheses cdleme38.l ⊢ ≤ = ( le ‘ 𝐾 )
cdleme38.j ⊢ ∨ = ( join ‘ 𝐾 )
cdleme38.m ⊢ ∧ = ( meet ‘ 𝐾 )
cdleme38.a ⊢ 𝐴 = ( Atoms ‘ 𝐾 )
cdleme38.h ⊢ 𝐻 = ( LHyp ‘ 𝐾 )
cdleme38.u ⊢ 𝑈 = ( ( 𝑃 ∨ 𝑄 ) ∧ 𝑊 )
cdleme38.e ⊢ 𝐸 = ( ( 𝑡 ∨ 𝑈 ) ∧ ( 𝑄 ∨ ( ( 𝑃 ∨ 𝑡 ) ∧ 𝑊 ) ) )
cdleme38.d ⊢ 𝐷 = ( ( 𝑢 ∨ 𝑈 ) ∧ ( 𝑄 ∨ ( ( 𝑃 ∨ 𝑢 ) ∧ 𝑊 ) ) )
cdleme38.v ⊢ 𝑉 = ( ( 𝑡 ∨ 𝐸 ) ∧ 𝑊 )
cdleme38.x ⊢ 𝑋 = ( ( 𝑢 ∨ 𝐷 ) ∧ 𝑊 )
cdleme38.f ⊢ 𝐹 = ( ( 𝑅 ∨ 𝑉 ) ∧ ( 𝐸 ∨ ( ( 𝑡 ∨ 𝑅 ) ∧ 𝑊 ) ) )
cdleme38.g ⊢ 𝐺 = ( ( 𝑆 ∨ 𝑋 ) ∧ ( 𝐷 ∨ ( ( 𝑢 ∨ 𝑆 ) ∧ 𝑊 ) ) )
Assertion cdleme38n ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝐹 ≠ 𝐺 )

Proof

Step Hyp Ref Expression
1 cdleme38.l ⊢ ≤ = ( le ‘ 𝐾 )
2 cdleme38.j ⊢ ∨ = ( join ‘ 𝐾 )
3 cdleme38.m ⊢ ∧ = ( meet ‘ 𝐾 )
4 cdleme38.a ⊢ 𝐴 = ( Atoms ‘ 𝐾 )
5 cdleme38.h ⊢ 𝐻 = ( LHyp ‘ 𝐾 )
6 cdleme38.u ⊢ 𝑈 = ( ( 𝑃 ∨ 𝑄 ) ∧ 𝑊 )
7 cdleme38.e ⊢ 𝐸 = ( ( 𝑡 ∨ 𝑈 ) ∧ ( 𝑄 ∨ ( ( 𝑃 ∨ 𝑡 ) ∧ 𝑊 ) ) )
8 cdleme38.d ⊢ 𝐷 = ( ( 𝑢 ∨ 𝑈 ) ∧ ( 𝑄 ∨ ( ( 𝑃 ∨ 𝑢 ) ∧ 𝑊 ) ) )
9 cdleme38.v ⊢ 𝑉 = ( ( 𝑡 ∨ 𝐸 ) ∧ 𝑊 )
10 cdleme38.x ⊢ 𝑋 = ( ( 𝑢 ∨ 𝐷 ) ∧ 𝑊 )
11 cdleme38.f ⊢ 𝐹 = ( ( 𝑅 ∨ 𝑉 ) ∧ ( 𝐸 ∨ ( ( 𝑡 ∨ 𝑅 ) ∧ 𝑊 ) ) )
12 cdleme38.g ⊢ 𝐺 = ( ( 𝑆 ∨ 𝑋 ) ∧ ( 𝐷 ∨ ( ( 𝑢 ∨ 𝑆 ) ∧ 𝑊 ) ) )
13 simp313 ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝑅 ≠ 𝑆 )
14 simpl1 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) )
15 simpl21 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → 𝑃 ≠ 𝑄 )
16 simpl22 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) )
17 simpl23 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) )
18 simp311 ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) )
19 18 adantr ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) )
20 simp312 ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) )
21 20 adantr ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) )
22 simpr ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → 𝐹 = 𝐺 )
23 19 21 22 3jca ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝐹 = 𝐺 ) )
24 simpl32 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) )
25 simpl33 ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) )
26 1 2 3 4 5 6 7 8 9 10 11 12 cdleme38m ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝐹 = 𝐺 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝑅 = 𝑆 )
27 14 15 16 17 23 24 25 26 syl133anc ⊢ ( ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) ∧ 𝐹 = 𝐺 ) → 𝑅 = 𝑆 )
28 27 ex ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → ( 𝐹 = 𝐺 → 𝑅 = 𝑆 ) )
29 28 necon3d ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → ( 𝑅 ≠ 𝑆 → 𝐹 ≠ 𝐺 ) )
30 13 29 mpd ⊢ ( ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊 ) ∧ ( 𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊 ) ) ∧ ( 𝑃 ≠ 𝑄 ∧ ( 𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ) ∧ ( 𝑆 ∈ 𝐴 ∧ ¬ 𝑆 ≤ 𝑊 ) ) ∧ ( ( 𝑅 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑆 ≤ ( 𝑃 ∨ 𝑄 ) ∧ 𝑅 ≠ 𝑆 ) ∧ ( ( 𝑡 ∈ 𝐴 ∧ ¬ 𝑡 ≤ 𝑊 ) ∧ ¬ 𝑡 ≤ ( 𝑃 ∨ 𝑄 ) ) ∧ ( ( 𝑢 ∈ 𝐴 ∧ ¬ 𝑢 ≤ 𝑊 ) ∧ ¬ 𝑢 ≤ ( 𝑃 ∨ 𝑄 ) ) ) ) → 𝐹 ≠ 𝐺 )