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Description: Property of a linear functional. ( lnfnmuli analog.) (Contributed by NM, 16-Apr-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | lflmul.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | |
| lflmul.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | ||
| lflmul.t | ⊢ × = ( .r ‘ 𝐷 ) | ||
| lflmul.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | ||
| lflmul.s | ⊢ · = ( ·𝑠 ‘ 𝑊 ) | ||
| lflmul.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | ||
| Assertion | lflmul | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( 𝑅 · 𝑋 ) ) = ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lflmul.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | |
| 2 | lflmul.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | |
| 3 | lflmul.t | ⊢ × = ( .r ‘ 𝐷 ) | |
| 4 | lflmul.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | |
| 5 | lflmul.s | ⊢ · = ( ·𝑠 ‘ 𝑊 ) | |
| 6 | lflmul.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | |
| 7 | simp1 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → 𝑊 ∈ LMod ) | |
| 8 | simp2 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → 𝐺 ∈ 𝐹 ) | |
| 9 | simp3l | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → 𝑅 ∈ 𝐾 ) | |
| 10 | simp3r | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → 𝑋 ∈ 𝑉 ) | |
| 11 | eqid | ⊢ ( 0g ‘ 𝑊 ) = ( 0g ‘ 𝑊 ) | |
| 12 | 4 11 | lmod0vcl | ⊢ ( 𝑊 ∈ LMod → ( 0g ‘ 𝑊 ) ∈ 𝑉 ) |
| 13 | 12 | 3ad2ant1 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 0g ‘ 𝑊 ) ∈ 𝑉 ) |
| 14 | eqid | ⊢ ( +g ‘ 𝑊 ) = ( +g ‘ 𝑊 ) | |
| 15 | eqid | ⊢ ( +g ‘ 𝐷 ) = ( +g ‘ 𝐷 ) | |
| 16 | 4 14 1 5 2 15 3 6 | lfli | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ∧ ( 0g ‘ 𝑊 ) ∈ 𝑉 ) ) → ( 𝐺 ‘ ( ( 𝑅 · 𝑋 ) ( +g ‘ 𝑊 ) ( 0g ‘ 𝑊 ) ) ) = ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) ) ) |
| 17 | 7 8 9 10 13 16 | syl113anc | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( ( 𝑅 · 𝑋 ) ( +g ‘ 𝑊 ) ( 0g ‘ 𝑊 ) ) ) = ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) ) ) |
| 18 | 4 1 5 2 | lmodvscl | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) → ( 𝑅 · 𝑋 ) ∈ 𝑉 ) |
| 19 | 7 9 10 18 | syl3anc | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝑅 · 𝑋 ) ∈ 𝑉 ) |
| 20 | 4 14 11 | lmod0vrid | ⊢ ( ( 𝑊 ∈ LMod ∧ ( 𝑅 · 𝑋 ) ∈ 𝑉 ) → ( ( 𝑅 · 𝑋 ) ( +g ‘ 𝑊 ) ( 0g ‘ 𝑊 ) ) = ( 𝑅 · 𝑋 ) ) |
| 21 | 7 19 20 | syl2anc | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( ( 𝑅 · 𝑋 ) ( +g ‘ 𝑊 ) ( 0g ‘ 𝑊 ) ) = ( 𝑅 · 𝑋 ) ) |
| 22 | 21 | fveq2d | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( ( 𝑅 · 𝑋 ) ( +g ‘ 𝑊 ) ( 0g ‘ 𝑊 ) ) ) = ( 𝐺 ‘ ( 𝑅 · 𝑋 ) ) ) |
| 23 | eqid | ⊢ ( 0g ‘ 𝐷 ) = ( 0g ‘ 𝐷 ) | |
| 24 | 1 23 11 6 | lfl0 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ) → ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) = ( 0g ‘ 𝐷 ) ) |
| 25 | 24 | 3adant3 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) = ( 0g ‘ 𝐷 ) ) |
| 26 | 25 | oveq2d | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) ) = ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 0g ‘ 𝐷 ) ) ) |
| 27 | 1 | lmodfgrp | ⊢ ( 𝑊 ∈ LMod → 𝐷 ∈ Grp ) |
| 28 | 27 | 3ad2ant1 | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → 𝐷 ∈ Grp ) |
| 29 | 1 2 4 6 | lflcl | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ 𝑋 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑋 ) ∈ 𝐾 ) |
| 30 | 29 | 3adant3l | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ 𝑋 ) ∈ 𝐾 ) |
| 31 | 1 2 3 | lmodmcl | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝑅 ∈ 𝐾 ∧ ( 𝐺 ‘ 𝑋 ) ∈ 𝐾 ) → ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ∈ 𝐾 ) |
| 32 | 7 9 30 31 | syl3anc | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ∈ 𝐾 ) |
| 33 | 2 15 23 | grprid | ⊢ ( ( 𝐷 ∈ Grp ∧ ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ∈ 𝐾 ) → ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 0g ‘ 𝐷 ) ) = ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ) |
| 34 | 28 32 33 | syl2anc | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 0g ‘ 𝐷 ) ) = ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ) |
| 35 | 26 34 | eqtrd | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ( +g ‘ 𝐷 ) ( 𝐺 ‘ ( 0g ‘ 𝑊 ) ) ) = ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ) |
| 36 | 17 22 35 | 3eqtr3d | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑅 ∈ 𝐾 ∧ 𝑋 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( 𝑅 · 𝑋 ) ) = ( 𝑅 × ( 𝐺 ‘ 𝑋 ) ) ) |