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Description: Equivalent expressions for a 1-dim subspace (ray) of functionals. (Contributed by NM, 24-Oct-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lfl1dim.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | |
| lfl1dim.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | ||
| lfl1dim.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | ||
| lfl1dim.l | ⊢ 𝐿 = ( LKer ‘ 𝑊 ) | ||
| lfl1dim.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | ||
| lfl1dim.t | ⊢ · = ( .r ‘ 𝐷 ) | ||
| lfl1dim.w | ⊢ ( 𝜑 → 𝑊 ∈ LVec ) | ||
| lfl1dim.g | ⊢ ( 𝜑 → 𝐺 ∈ 𝐹 ) | ||
| Assertion | lfl1dim | ⊢ ( 𝜑 → { 𝑔 ∈ 𝐹 ∣ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) } = { 𝑔 ∣ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) } ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lfl1dim.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | |
| 2 | lfl1dim.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | |
| 3 | lfl1dim.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | |
| 4 | lfl1dim.l | ⊢ 𝐿 = ( LKer ‘ 𝑊 ) | |
| 5 | lfl1dim.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | |
| 6 | lfl1dim.t | ⊢ · = ( .r ‘ 𝐷 ) | |
| 7 | lfl1dim.w | ⊢ ( 𝜑 → 𝑊 ∈ LVec ) | |
| 8 | lfl1dim.g | ⊢ ( 𝜑 → 𝐺 ∈ 𝐹 ) | |
| 9 | df-rab | ⊢ { 𝑔 ∈ 𝐹 ∣ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) } = { 𝑔 ∣ ( 𝑔 ∈ 𝐹 ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) } | |
| 10 | lveclmod | ⊢ ( 𝑊 ∈ LVec → 𝑊 ∈ LMod ) | |
| 11 | 7 10 | syl | ⊢ ( 𝜑 → 𝑊 ∈ LMod ) |
| 12 | eqid | ⊢ ( 0g ‘ 𝐷 ) = ( 0g ‘ 𝐷 ) | |
| 13 | 2 5 12 | lmod0cl | ⊢ ( 𝑊 ∈ LMod → ( 0g ‘ 𝐷 ) ∈ 𝐾 ) |
| 14 | 11 13 | syl | ⊢ ( 𝜑 → ( 0g ‘ 𝐷 ) ∈ 𝐾 ) |
| 15 | 14 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 0g ‘ 𝐷 ) ∈ 𝐾 ) |
| 16 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) | |
| 17 | 11 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝑊 ∈ LMod ) |
| 18 | 8 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝐺 ∈ 𝐹 ) |
| 19 | 1 2 3 5 6 12 17 18 | lfl0sc | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) |
| 20 | 16 19 | eqtr4d | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 21 | sneq | ⊢ ( 𝑘 = ( 0g ‘ 𝐷 ) → { 𝑘 } = { ( 0g ‘ 𝐷 ) } ) | |
| 22 | 21 | xpeq2d | ⊢ ( 𝑘 = ( 0g ‘ 𝐷 ) → ( 𝑉 × { 𝑘 } ) = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) |
| 23 | 22 | oveq2d | ⊢ ( 𝑘 = ( 0g ‘ 𝐷 ) → ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) = ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 24 | 23 | rspceeqv | ⊢ ( ( ( 0g ‘ 𝐷 ) ∈ 𝐾 ∧ 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) |
| 25 | 15 20 24 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) |
| 26 | 25 | a1d | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 27 | 14 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ( 0g ‘ 𝐷 ) ∈ 𝐾 ) |
| 28 | 11 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝑊 ∈ LMod ) |
| 29 | simpllr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝑔 ∈ 𝐹 ) | |
| 30 | 1 3 4 28 29 | lkrssv | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ( 𝐿 ‘ 𝑔 ) ⊆ 𝑉 ) |
| 31 | 11 | adantr | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → 𝑊 ∈ LMod ) |
| 32 | 8 | adantr | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → 𝐺 ∈ 𝐹 ) |
| 33 | 2 12 1 3 4 | lkr0f | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐺 ) = 𝑉 ↔ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 34 | 31 32 33 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐺 ) = 𝑉 ↔ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 35 | 34 | biimpar | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝐿 ‘ 𝐺 ) = 𝑉 ) |
| 36 | 35 | sseq1d | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ↔ 𝑉 ⊆ ( 𝐿 ‘ 𝑔 ) ) ) |
| 37 | 36 | biimpa | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝑉 ⊆ ( 𝐿 ‘ 𝑔 ) ) |
| 38 | 30 37 | eqssd | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ( 𝐿 ‘ 𝑔 ) = 𝑉 ) |
| 39 | 2 12 1 3 4 | lkr0f | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝑔 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝑔 ) = 𝑉 ↔ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 40 | 28 29 39 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ( ( 𝐿 ‘ 𝑔 ) = 𝑉 ↔ 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 41 | 38 40 | mpbid | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝑔 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) |
| 42 | 8 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝐺 ∈ 𝐹 ) |
| 43 | 1 2 3 5 6 12 28 42 | lfl0sc | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) |
| 44 | 41 43 | eqtr4d | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 45 | 27 44 24 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) |
| 46 | 45 | ex | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 47 | eqid | ⊢ ( LSHyp ‘ 𝑊 ) = ( LSHyp ‘ 𝑊 ) | |
| 48 | 7 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → 𝑊 ∈ LVec ) |
| 49 | 8 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → 𝐺 ∈ 𝐹 ) |
| 50 | simprr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) | |
| 51 | 1 2 12 47 3 4 | lkrshp | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐺 ∈ 𝐹 ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝐿 ‘ 𝐺 ) ∈ ( LSHyp ‘ 𝑊 ) ) |
| 52 | 48 49 50 51 | syl3anc | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ( 𝐿 ‘ 𝐺 ) ∈ ( LSHyp ‘ 𝑊 ) ) |
| 53 | simplr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → 𝑔 ∈ 𝐹 ) | |
| 54 | simprl | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) | |
| 55 | 1 2 12 47 3 4 | lkrshp | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝑔 ∈ 𝐹 ∧ 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝐿 ‘ 𝑔 ) ∈ ( LSHyp ‘ 𝑊 ) ) |
| 56 | 48 53 54 55 | syl3anc | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ( 𝐿 ‘ 𝑔 ) ∈ ( LSHyp ‘ 𝑊 ) ) |
| 57 | 47 48 52 56 | lshpcmp | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ↔ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) ) |
| 58 | 7 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → 𝑊 ∈ LVec ) |
| 59 | 8 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → 𝐺 ∈ 𝐹 ) |
| 60 | simpllr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → 𝑔 ∈ 𝐹 ) | |
| 61 | simpr | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) | |
| 62 | 2 5 6 1 3 4 | eqlkr2 | ⊢ ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) |
| 63 | 58 59 60 61 62 | syl121anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) |
| 64 | 63 | ex | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ( ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝑔 ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 65 | 57 64 | sylbid | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ ( 𝑔 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 66 | 26 46 65 | pm2.61da2ne | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) → ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 67 | 7 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑘 ∈ 𝐾 ) → 𝑊 ∈ LVec ) |
| 68 | 8 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑘 ∈ 𝐾 ) → 𝐺 ∈ 𝐹 ) |
| 69 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑘 ∈ 𝐾 ) → 𝑘 ∈ 𝐾 ) | |
| 70 | 1 2 5 6 3 4 67 68 69 | lkrscss | ⊢ ( ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) ∧ 𝑘 ∈ 𝐾 ) → ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 71 | 70 | ex | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( 𝑘 ∈ 𝐾 → ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) ) |
| 72 | fveq2 | ⊢ ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → ( 𝐿 ‘ 𝑔 ) = ( 𝐿 ‘ ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) | |
| 73 | 72 | sseq2d | ⊢ ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ↔ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) ) |
| 74 | 73 | biimprcd | ⊢ ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) → ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) ) |
| 75 | 71 74 | syl6 | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( 𝑘 ∈ 𝐾 → ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) ) ) |
| 76 | 75 | rexlimdv | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) ) |
| 77 | 66 76 | impbid | ⊢ ( ( 𝜑 ∧ 𝑔 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ↔ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 78 | 77 | pm5.32da | ⊢ ( 𝜑 → ( ( 𝑔 ∈ 𝐹 ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) ↔ ( 𝑔 ∈ 𝐹 ∧ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) ) |
| 79 | 11 | adantr | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → 𝑊 ∈ LMod ) |
| 80 | 8 | adantr | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → 𝐺 ∈ 𝐹 ) |
| 81 | simpr | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → 𝑘 ∈ 𝐾 ) | |
| 82 | 1 2 5 6 3 79 80 81 | lflvscl | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ∈ 𝐹 ) |
| 83 | eleq1a | ⊢ ( ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ∈ 𝐹 → ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → 𝑔 ∈ 𝐹 ) ) | |
| 84 | 82 83 | syl | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) → 𝑔 ∈ 𝐹 ) ) |
| 85 | 84 | pm4.71rd | ⊢ ( ( 𝜑 ∧ 𝑘 ∈ 𝐾 ) → ( 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ↔ ( 𝑔 ∈ 𝐹 ∧ 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) ) |
| 86 | 85 | rexbidva | ⊢ ( 𝜑 → ( ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ↔ ∃ 𝑘 ∈ 𝐾 ( 𝑔 ∈ 𝐹 ∧ 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) ) |
| 87 | r19.42v | ⊢ ( ∃ 𝑘 ∈ 𝐾 ( 𝑔 ∈ 𝐹 ∧ 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ↔ ( 𝑔 ∈ 𝐹 ∧ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) | |
| 88 | 86 87 | bitr2di | ⊢ ( 𝜑 → ( ( 𝑔 ∈ 𝐹 ∧ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ↔ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 89 | 78 88 | bitrd | ⊢ ( 𝜑 → ( ( 𝑔 ∈ 𝐹 ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) ↔ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) ) ) |
| 90 | 89 | abbidv | ⊢ ( 𝜑 → { 𝑔 ∣ ( 𝑔 ∈ 𝐹 ∧ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) ) } = { 𝑔 ∣ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) } ) |
| 91 | 9 90 | eqtrid | ⊢ ( 𝜑 → { 𝑔 ∈ 𝐹 ∣ ( 𝐿 ‘ 𝐺 ) ⊆ ( 𝐿 ‘ 𝑔 ) } = { 𝑔 ∣ ∃ 𝑘 ∈ 𝐾 𝑔 = ( 𝐺 ∘f · ( 𝑉 × { 𝑘 } ) ) } ) |