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Description: There is a vector that is outside of 2 spans. TODO: decide to use either this or dvh3dim2 everywhere. If this one is needed, make dvh3dim2 into a lemma. (Contributed by NM, 21-May-2015) (New usage is discouraged.)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | dvh3dim.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| dvh3dim.u | ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 ) | ||
| dvh3dim.v | ⊢ 𝑉 = ( Base ‘ 𝑈 ) | ||
| dvh3dim.n | ⊢ 𝑁 = ( LSpan ‘ 𝑈 ) | ||
| dvh3dim.k | ⊢ ( 𝜑 → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | ||
| dvh3dim.x | ⊢ ( 𝜑 → 𝑋 ∈ 𝑉 ) | ||
| dvh3dim.y | ⊢ ( 𝜑 → 𝑌 ∈ 𝑉 ) | ||
| dvh3dim2.z | ⊢ ( 𝜑 → 𝑍 ∈ 𝑉 ) | ||
| dvh3dim3.t | ⊢ ( 𝜑 → 𝑇 ∈ 𝑉 ) | ||
| Assertion | dvh3dim3N | ⊢ ( 𝜑 → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dvh3dim.h | ⊢ 𝐻 = ( LHyp ‘ 𝐾 ) | |
| 2 | dvh3dim.u | ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 ) | |
| 3 | dvh3dim.v | ⊢ 𝑉 = ( Base ‘ 𝑈 ) | |
| 4 | dvh3dim.n | ⊢ 𝑁 = ( LSpan ‘ 𝑈 ) | |
| 5 | dvh3dim.k | ⊢ ( 𝜑 → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) | |
| 6 | dvh3dim.x | ⊢ ( 𝜑 → 𝑋 ∈ 𝑉 ) | |
| 7 | dvh3dim.y | ⊢ ( 𝜑 → 𝑌 ∈ 𝑉 ) | |
| 8 | dvh3dim2.z | ⊢ ( 𝜑 → 𝑍 ∈ 𝑉 ) | |
| 9 | dvh3dim3.t | ⊢ ( 𝜑 → 𝑇 ∈ 𝑉 ) | |
| 10 | eqid | ⊢ ( LSubSp ‘ 𝑈 ) = ( LSubSp ‘ 𝑈 ) | |
| 11 | 1 2 5 | dvhlmod | ⊢ ( 𝜑 → 𝑈 ∈ LMod ) |
| 12 | 11 | adantr | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑈 ∈ LMod ) |
| 13 | 3 10 4 11 8 9 | lspprcl | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 14 | 13 | adantr | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 15 | simpr | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 16 | 3 4 11 8 9 | lspprid2 | ⊢ ( 𝜑 → 𝑇 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) |
| 17 | 16 | adantr | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑇 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) |
| 18 | 10 4 12 14 15 17 | lspprss | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) |
| 19 | sspss | ⊢ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ↔ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∨ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) | |
| 20 | 18 19 | sylib | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∨ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 21 | 1 2 5 | dvhlvec | ⊢ ( 𝜑 → 𝑈 ∈ LVec ) |
| 22 | 21 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑈 ∈ LVec ) |
| 23 | 3 10 4 11 7 9 | lspprcl | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 24 | 23 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 25 | 8 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑍 ∈ 𝑉 ) |
| 26 | 9 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑇 ∈ 𝑉 ) |
| 27 | simpr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 28 | 3 10 4 22 24 25 26 27 | lspprat | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑤 ∈ 𝑉 ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) |
| 29 | 5 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ) |
| 30 | simp2 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → 𝑤 ∈ 𝑉 ) | |
| 31 | 6 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → 𝑋 ∈ 𝑉 ) |
| 32 | 8 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → 𝑍 ∈ 𝑉 ) |
| 33 | 1 2 3 4 29 30 31 32 | dvh3dim2 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) ) ) |
| 34 | 11 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → 𝑈 ∈ LMod ) |
| 35 | 10 | lsssssubg | ⊢ ( 𝑈 ∈ LMod → ( LSubSp ‘ 𝑈 ) ⊆ ( SubGrp ‘ 𝑈 ) ) |
| 36 | 34 35 | syl | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( LSubSp ‘ 𝑈 ) ⊆ ( SubGrp ‘ 𝑈 ) ) |
| 37 | 3 10 4 | lspsncl | ⊢ ( ( 𝑈 ∈ LMod ∧ 𝑋 ∈ 𝑉 ) → ( 𝑁 ‘ { 𝑋 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 38 | 11 6 37 | syl2anc | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑋 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 39 | 38 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑋 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 40 | 36 39 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑋 } ) ∈ ( SubGrp ‘ 𝑈 ) ) |
| 41 | 3 10 4 | lspsncl | ⊢ ( ( 𝑈 ∈ LMod ∧ 𝑤 ∈ 𝑉 ) → ( 𝑁 ‘ { 𝑤 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 42 | 34 30 41 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑤 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 43 | 36 42 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑤 } ) ∈ ( SubGrp ‘ 𝑈 ) ) |
| 44 | prssi | ⊢ ( ( 𝑌 ∈ 𝑉 ∧ 𝑇 ∈ 𝑉 ) → { 𝑌 , 𝑇 } ⊆ 𝑉 ) | |
| 45 | 7 9 44 | syl2anc | ⊢ ( 𝜑 → { 𝑌 , 𝑇 } ⊆ 𝑉 ) |
| 46 | snsspr1 | ⊢ { 𝑌 } ⊆ { 𝑌 , 𝑇 } | |
| 47 | 46 | a1i | ⊢ ( 𝜑 → { 𝑌 } ⊆ { 𝑌 , 𝑇 } ) |
| 48 | 3 4 | lspss | ⊢ ( ( 𝑈 ∈ LMod ∧ { 𝑌 , 𝑇 } ⊆ 𝑉 ∧ { 𝑌 } ⊆ { 𝑌 , 𝑇 } ) → ( 𝑁 ‘ { 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 49 | 11 45 47 48 | syl3anc | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 50 | 49 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 51 | simp3 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) | |
| 52 | 50 51 | sseqtrd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑤 } ) ) |
| 53 | eqid | ⊢ ( LSSum ‘ 𝑈 ) = ( LSSum ‘ 𝑈 ) | |
| 54 | 53 | lsmless2 | ⊢ ( ( ( 𝑁 ‘ { 𝑋 } ) ∈ ( SubGrp ‘ 𝑈 ) ∧ ( 𝑁 ‘ { 𝑤 } ) ∈ ( SubGrp ‘ 𝑈 ) ∧ ( 𝑁 ‘ { 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑤 } ) ) → ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑌 } ) ) ⊆ ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 55 | 40 43 52 54 | syl3anc | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑌 } ) ) ⊆ ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 56 | 3 4 53 11 6 7 | lsmpr | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑋 , 𝑌 } ) = ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑌 } ) ) ) |
| 57 | 56 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑋 , 𝑌 } ) = ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑌 } ) ) ) |
| 58 | prcom | ⊢ { 𝑤 , 𝑋 } = { 𝑋 , 𝑤 } | |
| 59 | 58 | fveq2i | ⊢ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) = ( 𝑁 ‘ { 𝑋 , 𝑤 } ) |
| 60 | 3 4 53 34 31 30 | lsmpr | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑋 , 𝑤 } ) = ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 61 | 59 60 | eqtrid | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑤 , 𝑋 } ) = ( ( 𝑁 ‘ { 𝑋 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 62 | 55 57 61 | 3sstr4d | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ⊆ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) ) |
| 63 | 62 | ssneld | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) → ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) |
| 64 | 3 10 4 | lspsncl | ⊢ ( ( 𝑈 ∈ LMod ∧ 𝑍 ∈ 𝑉 ) → ( 𝑁 ‘ { 𝑍 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 65 | 11 8 64 | syl2anc | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑍 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 66 | 65 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑍 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 67 | 36 66 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑍 } ) ∈ ( SubGrp ‘ 𝑈 ) ) |
| 68 | snsspr2 | ⊢ { 𝑇 } ⊆ { 𝑌 , 𝑇 } | |
| 69 | 68 | a1i | ⊢ ( 𝜑 → { 𝑇 } ⊆ { 𝑌 , 𝑇 } ) |
| 70 | 3 4 | lspss | ⊢ ( ( 𝑈 ∈ LMod ∧ { 𝑌 , 𝑇 } ⊆ 𝑉 ∧ { 𝑇 } ⊆ { 𝑌 , 𝑇 } ) → ( 𝑁 ‘ { 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 71 | 11 45 69 70 | syl3anc | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 72 | 71 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) |
| 73 | 72 51 | sseqtrd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑤 } ) ) |
| 74 | 53 | lsmless2 | ⊢ ( ( ( 𝑁 ‘ { 𝑍 } ) ∈ ( SubGrp ‘ 𝑈 ) ∧ ( 𝑁 ‘ { 𝑤 } ) ∈ ( SubGrp ‘ 𝑈 ) ∧ ( 𝑁 ‘ { 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑤 } ) ) → ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑇 } ) ) ⊆ ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 75 | 67 43 73 74 | syl3anc | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑇 } ) ) ⊆ ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 76 | 3 4 53 11 8 9 | lsmpr | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) = ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑇 } ) ) ) |
| 77 | 76 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) = ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑇 } ) ) ) |
| 78 | prcom | ⊢ { 𝑤 , 𝑍 } = { 𝑍 , 𝑤 } | |
| 79 | 78 | fveq2i | ⊢ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) = ( 𝑁 ‘ { 𝑍 , 𝑤 } ) |
| 80 | 3 4 53 34 32 30 | lsmpr | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑍 , 𝑤 } ) = ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 81 | 79 80 | eqtrid | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑤 , 𝑍 } ) = ( ( 𝑁 ‘ { 𝑍 } ) ( LSSum ‘ 𝑈 ) ( 𝑁 ‘ { 𝑤 } ) ) ) |
| 82 | 75 77 81 | 3sstr4d | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ⊆ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) ) |
| 83 | 82 | ssneld | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) → ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 84 | 63 83 | anim12d | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 85 | 84 | reximdv | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ( ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑤 , 𝑍 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 86 | 33 85 | mpd | ⊢ ( ( 𝜑 ∧ 𝑤 ∈ 𝑉 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 87 | 86 | rexlimdv3a | ⊢ ( 𝜑 → ( ∃ 𝑤 ∈ 𝑉 ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 88 | 87 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( ∃ 𝑤 ∈ 𝑉 ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑤 } ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 89 | 28 88 | mpd | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 90 | 1 2 3 4 5 7 6 9 | dvh3dim2 | ⊢ ( 𝜑 → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) |
| 91 | 90 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) |
| 92 | simpr | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 93 | prcom | ⊢ { 𝑌 , 𝑋 } = { 𝑋 , 𝑌 } | |
| 94 | 93 | fveq2i | ⊢ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) = ( 𝑁 ‘ { 𝑋 , 𝑌 } ) |
| 95 | 94 | eleq2i | ⊢ ( 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ↔ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 96 | 95 | notbii | ⊢ ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ↔ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 97 | 96 | a1i | ⊢ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ↔ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) |
| 98 | eleq2 | ⊢ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) → ( 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ↔ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) | |
| 99 | 98 | notbid | ⊢ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ↔ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 100 | 97 99 | anbi12d | ⊢ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) → ( ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ↔ ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 101 | 92 100 | syl | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ↔ ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 102 | 101 | rexbidv | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ↔ ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 103 | 91 102 | mpbid | ⊢ ( ( 𝜑 ∧ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 104 | 89 103 | jaodan | ⊢ ( ( 𝜑 ∧ ( ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ⊊ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∨ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) = ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 105 | 20 104 | syldan | ⊢ ( ( 𝜑 ∧ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 106 | 1 2 3 4 5 7 6 9 | dvh3dim2 | ⊢ ( 𝜑 → ∃ 𝑤 ∈ 𝑉 ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) |
| 107 | 106 | adantr | ⊢ ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑤 ∈ 𝑉 ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) |
| 108 | simpl1l | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝜑 ) | |
| 109 | 108 11 | syl | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑈 ∈ LMod ) |
| 110 | simpl2 | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑤 ∈ 𝑉 ) | |
| 111 | 108 7 | syl | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑌 ∈ 𝑉 ) |
| 112 | eqid | ⊢ ( +g ‘ 𝑈 ) = ( +g ‘ 𝑈 ) | |
| 113 | 3 112 | lmodvacl | ⊢ ( ( 𝑈 ∈ LMod ∧ 𝑤 ∈ 𝑉 ∧ 𝑌 ∈ 𝑉 ) → ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ 𝑉 ) |
| 114 | 109 110 111 113 | syl3anc | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ 𝑉 ) |
| 115 | 3 10 4 11 6 7 | lspprcl | ⊢ ( 𝜑 → ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 116 | 108 115 | syl | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 117 | 3 4 11 6 7 | lspprid2 | ⊢ ( 𝜑 → 𝑌 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 118 | 108 117 | syl | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑌 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 119 | simpl3l | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ) | |
| 120 | 94 | eleq2i | ⊢ ( 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ↔ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 121 | 119 120 | sylnib | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 122 | 3 112 10 109 116 118 110 121 | lssvancl2 | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 123 | 108 13 | syl | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ∈ ( LSubSp ‘ 𝑈 ) ) |
| 124 | simpr | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 125 | simpl1r | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 126 | 3 112 10 109 123 124 111 125 | lssvancl1 | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) |
| 127 | eleq1 | ⊢ ( 𝑧 = ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) → ( 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ↔ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) | |
| 128 | 127 | notbid | ⊢ ( 𝑧 = ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ↔ ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) |
| 129 | eleq1 | ⊢ ( 𝑧 = ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) → ( 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ↔ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) | |
| 130 | 129 | notbid | ⊢ ( 𝑧 = ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ↔ ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 131 | 128 130 | anbi12d | ⊢ ( 𝑧 = ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) → ( ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ↔ ( ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 132 | 131 | rspcev | ⊢ ( ( ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ 𝑉 ∧ ( ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ ( 𝑤 ( +g ‘ 𝑈 ) 𝑌 ) ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 133 | 114 122 126 132 | syl12anc | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 134 | simpl2 | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → 𝑤 ∈ 𝑉 ) | |
| 135 | simpl3l | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ) | |
| 136 | 135 120 | sylnib | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) |
| 137 | simpr | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) | |
| 138 | eleq1 | ⊢ ( 𝑧 = 𝑤 → ( 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ↔ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) | |
| 139 | 138 | notbid | ⊢ ( 𝑧 = 𝑤 → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ↔ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ) ) |
| 140 | eleq1 | ⊢ ( 𝑧 = 𝑤 → ( 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ↔ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) | |
| 141 | 140 | notbid | ⊢ ( 𝑧 = 𝑤 → ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ↔ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 142 | 139 141 | anbi12d | ⊢ ( 𝑧 = 𝑤 → ( ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ↔ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 143 | 142 | rspcev | ⊢ ( ( 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 144 | 134 136 137 143 | syl12anc | ⊢ ( ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 145 | 133 144 | pm2.61dan | ⊢ ( ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ∧ 𝑤 ∈ 𝑉 ∧ ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 146 | 145 | rexlimdv3a | ⊢ ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ( ∃ 𝑤 ∈ 𝑉 ( ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑋 } ) ∧ ¬ 𝑤 ∈ ( 𝑁 ‘ { 𝑌 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) ) |
| 147 | 107 146 | mpd | ⊢ ( ( 𝜑 ∧ ¬ 𝑌 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |
| 148 | 105 147 | pm2.61dan | ⊢ ( 𝜑 → ∃ 𝑧 ∈ 𝑉 ( ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑋 , 𝑌 } ) ∧ ¬ 𝑧 ∈ ( 𝑁 ‘ { 𝑍 , 𝑇 } ) ) ) |