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Description: Two functionals with the same kernel are the same up to a constant. (Contributed by NM, 18-Apr-2014)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | eqlkr.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | |
| eqlkr.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | ||
| eqlkr.t | ⊢ · = ( .r ‘ 𝐷 ) | ||
| eqlkr.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | ||
| eqlkr.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | ||
| eqlkr.l | ⊢ 𝐿 = ( LKer ‘ 𝑊 ) | ||
| Assertion | eqlkr | ⊢ ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqlkr.d | ⊢ 𝐷 = ( Scalar ‘ 𝑊 ) | |
| 2 | eqlkr.k | ⊢ 𝐾 = ( Base ‘ 𝐷 ) | |
| 3 | eqlkr.t | ⊢ · = ( .r ‘ 𝐷 ) | |
| 4 | eqlkr.v | ⊢ 𝑉 = ( Base ‘ 𝑊 ) | |
| 5 | eqlkr.f | ⊢ 𝐹 = ( LFnl ‘ 𝑊 ) | |
| 6 | eqlkr.l | ⊢ 𝐿 = ( LKer ‘ 𝑊 ) | |
| 7 | simpl1 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝑊 ∈ LVec ) | |
| 8 | lveclmod | ⊢ ( 𝑊 ∈ LVec → 𝑊 ∈ LMod ) | |
| 9 | 1 | lmodring | ⊢ ( 𝑊 ∈ LMod → 𝐷 ∈ Ring ) |
| 10 | 8 9 | syl | ⊢ ( 𝑊 ∈ LVec → 𝐷 ∈ Ring ) |
| 11 | 7 10 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝐷 ∈ Ring ) |
| 12 | eqid | ⊢ ( 1r ‘ 𝐷 ) = ( 1r ‘ 𝐷 ) | |
| 13 | 2 12 | ringidcl | ⊢ ( 𝐷 ∈ Ring → ( 1r ‘ 𝐷 ) ∈ 𝐾 ) |
| 14 | 11 13 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 1r ‘ 𝐷 ) ∈ 𝐾 ) |
| 15 | simp11 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝑊 ∈ LVec ) | |
| 16 | 15 10 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐷 ∈ Ring ) |
| 17 | simp12l | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐺 ∈ 𝐹 ) | |
| 18 | simp3 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝑥 ∈ 𝑉 ) | |
| 19 | 1 2 4 5 | lflcl | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐺 ∈ 𝐹 ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) |
| 20 | 15 17 18 19 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) |
| 21 | 2 3 12 | ringridm | ⊢ ( ( 𝐷 ∈ Ring ∧ ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) = ( 𝐺 ‘ 𝑥 ) ) |
| 22 | 16 20 21 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) = ( 𝐺 ‘ 𝑥 ) ) |
| 23 | simp2 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) | |
| 24 | simp13 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) | |
| 25 | 15 8 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝑊 ∈ LMod ) |
| 26 | eqid | ⊢ ( 0g ‘ 𝐷 ) = ( 0g ‘ 𝐷 ) | |
| 27 | 1 26 4 5 6 | lkr0f | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐺 ) = 𝑉 ↔ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 28 | 25 17 27 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐿 ‘ 𝐺 ) = 𝑉 ↔ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 29 | 23 28 | mpbird | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐿 ‘ 𝐺 ) = 𝑉 ) |
| 30 | 24 29 | eqtr3d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐿 ‘ 𝐻 ) = 𝑉 ) |
| 31 | simp12r | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐻 ∈ 𝐹 ) | |
| 32 | 1 26 4 5 6 | lkr0f | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐻 ∈ 𝐹 ) → ( ( 𝐿 ‘ 𝐻 ) = 𝑉 ↔ 𝐻 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 33 | 25 31 32 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐿 ‘ 𝐻 ) = 𝑉 ↔ 𝐻 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) ) |
| 34 | 30 33 | mpbid | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐻 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) |
| 35 | 23 34 | eqtr4d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → 𝐺 = 𝐻 ) |
| 36 | 35 | fveq1d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) = ( 𝐻 ‘ 𝑥 ) ) |
| 37 | 22 36 | eqtr2d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) |
| 38 | 37 | 3expia | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝑥 ∈ 𝑉 → ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) ) |
| 39 | 38 | ralrimiv | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) |
| 40 | oveq2 | ⊢ ( 𝑟 = ( 1r ‘ 𝐷 ) → ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) | |
| 41 | 40 | eqeq2d | ⊢ ( 𝑟 = ( 1r ‘ 𝐷 ) → ( ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ↔ ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) ) |
| 42 | 41 | ralbidv | ⊢ ( 𝑟 = ( 1r ‘ 𝐷 ) → ( ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ↔ ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) ) |
| 43 | 42 | rspcev | ⊢ ( ( ( 1r ‘ 𝐷 ) ∈ 𝐾 ∧ ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| 44 | 14 39 43 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 = ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| 45 | simpl1 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝑊 ∈ LVec ) | |
| 46 | simpl2l | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝐺 ∈ 𝐹 ) | |
| 47 | simpr | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) | |
| 48 | 1 26 12 4 5 | lfl1 | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐺 ∈ 𝐹 ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∃ 𝑧 ∈ 𝑉 ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) |
| 49 | 45 46 47 48 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∃ 𝑧 ∈ 𝑉 ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) |
| 50 | simpl1 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → 𝑊 ∈ LVec ) | |
| 51 | simpl2r | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → 𝐻 ∈ 𝐹 ) | |
| 52 | simpr2 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → 𝑧 ∈ 𝑉 ) | |
| 53 | 1 2 4 5 | lflcl | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐻 ∈ 𝐹 ∧ 𝑧 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑧 ) ∈ 𝐾 ) |
| 54 | 50 51 52 53 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → ( 𝐻 ‘ 𝑧 ) ∈ 𝐾 ) |
| 55 | simp11 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝑊 ∈ LVec ) | |
| 56 | 55 8 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝑊 ∈ LMod ) |
| 57 | simp12r | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝐻 ∈ 𝐹 ) | |
| 58 | simp12l | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝐺 ∈ 𝐹 ) | |
| 59 | simp3 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝑥 ∈ 𝑉 ) | |
| 60 | 1 2 4 5 | lflcl | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) |
| 61 | 56 58 59 60 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) |
| 62 | simp22 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝑧 ∈ 𝑉 ) | |
| 63 | eqid | ⊢ ( ·𝑠 ‘ 𝑊 ) = ( ·𝑠 ‘ 𝑊 ) | |
| 64 | 1 2 3 4 63 5 | lflmul | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐻 ∈ 𝐹 ∧ ( ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ∧ 𝑧 ∈ 𝑉 ) ) → ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) |
| 65 | 56 57 61 62 64 | syl112anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) |
| 66 | 65 | oveq2d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 67 | 4 1 63 2 | lmodvscl | ⊢ ( ( 𝑊 ∈ LMod ∧ ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ∧ 𝑧 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ∈ 𝑉 ) |
| 68 | 56 61 62 67 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ∈ 𝑉 ) |
| 69 | eqid | ⊢ ( -g ‘ 𝐷 ) = ( -g ‘ 𝐷 ) | |
| 70 | eqid | ⊢ ( -g ‘ 𝑊 ) = ( -g ‘ 𝑊 ) | |
| 71 | 1 69 4 70 5 | lflsub | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐻 ∈ 𝐹 ∧ ( 𝑥 ∈ 𝑉 ∧ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ∈ 𝑉 ) ) → ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) ) |
| 72 | 56 57 59 68 71 | syl112anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) ) |
| 73 | 4 70 | lmodvsubcl | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝑥 ∈ 𝑉 ∧ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ∈ 𝑉 ) → ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ) |
| 74 | 56 59 68 73 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ) |
| 75 | 1 69 4 70 5 | lflsub | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( 𝑥 ∈ 𝑉 ∧ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ∈ 𝑉 ) ) → ( 𝐺 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) ) |
| 76 | 56 58 59 68 75 | syl112anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) ) |
| 77 | 55 58 59 19 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) |
| 78 | 1 2 3 4 63 5 | lflmul | ⊢ ( ( 𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹 ∧ ( ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ∧ 𝑧 ∈ 𝑉 ) ) → ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐺 ‘ 𝑧 ) ) ) |
| 79 | 56 58 77 62 78 | syl112anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐺 ‘ 𝑧 ) ) ) |
| 80 | simp23 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) | |
| 81 | 80 | oveq2d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 𝐺 ‘ 𝑧 ) ) = ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) ) |
| 82 | 55 10 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝐷 ∈ Ring ) |
| 83 | 82 77 21 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 1r ‘ 𝐷 ) ) = ( 𝐺 ‘ 𝑥 ) ) |
| 84 | 79 81 83 | 3eqtrd | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) = ( 𝐺 ‘ 𝑥 ) ) |
| 85 | 84 | oveq2d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ 𝑥 ) ) ) |
| 86 | 1 | lmodfgrp | ⊢ ( 𝑊 ∈ LMod → 𝐷 ∈ Grp ) |
| 87 | 8 86 | syl | ⊢ ( 𝑊 ∈ LVec → 𝐷 ∈ Grp ) |
| 88 | 55 87 | syl | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → 𝐷 ∈ Grp ) |
| 89 | 2 26 69 | grpsubid | ⊢ ( ( 𝐷 ∈ Grp ∧ ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ) → ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ 𝑥 ) ) = ( 0g ‘ 𝐷 ) ) |
| 90 | 88 77 89 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐺 ‘ 𝑥 ) ) = ( 0g ‘ 𝐷 ) ) |
| 91 | 76 85 90 | 3eqtrd | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐺 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) |
| 92 | 4 1 26 5 6 | ellkr | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐺 ∈ 𝐹 ) → ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐺 ) ↔ ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ∧ ( 𝐺 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) ) ) |
| 93 | 55 58 92 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐺 ) ↔ ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ∧ ( 𝐺 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) ) ) |
| 94 | 74 91 93 | mpbir2and | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐺 ) ) |
| 95 | simp13 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) | |
| 96 | 94 95 | eleqtrd | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐻 ) ) |
| 97 | 4 1 26 5 6 | ellkr | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐻 ∈ 𝐹 ) → ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐻 ) ↔ ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ∧ ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) ) ) |
| 98 | 55 57 97 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ ( 𝐿 ‘ 𝐻 ) ↔ ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ∧ ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) ) ) |
| 99 | 96 98 | mpbid | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ∈ 𝑉 ∧ ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) ) |
| 100 | 99 | simprd | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ ( 𝑥 ( -g ‘ 𝑊 ) ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) |
| 101 | 72 100 | eqtr3d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( 𝐻 ‘ ( ( 𝐺 ‘ 𝑥 ) ( ·𝑠 ‘ 𝑊 ) 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) |
| 102 | 66 101 | eqtr3d | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ) |
| 103 | 1 2 4 5 | lflcl | ⊢ ( ( 𝑊 ∈ LVec ∧ 𝐻 ∈ 𝐹 ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑥 ) ∈ 𝐾 ) |
| 104 | 55 57 59 103 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑥 ) ∈ 𝐾 ) |
| 105 | 54 | 3adant3 | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑧 ) ∈ 𝐾 ) |
| 106 | 1 2 3 | lmodmcl | ⊢ ( ( 𝑊 ∈ LMod ∧ ( 𝐺 ‘ 𝑥 ) ∈ 𝐾 ∧ ( 𝐻 ‘ 𝑧 ) ∈ 𝐾 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ∈ 𝐾 ) |
| 107 | 56 77 105 106 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ∈ 𝐾 ) |
| 108 | 2 26 69 | grpsubeq0 | ⊢ ( ( 𝐷 ∈ Grp ∧ ( 𝐻 ‘ 𝑥 ) ∈ 𝐾 ∧ ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ∈ 𝐾 ) → ( ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ↔ ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 109 | 88 104 107 108 | syl3anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( ( ( 𝐻 ‘ 𝑥 ) ( -g ‘ 𝐷 ) ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) = ( 0g ‘ 𝐷 ) ↔ ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 110 | 102 109 | mpbid | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ∧ 𝑥 ∈ 𝑉 ) → ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) |
| 111 | 110 | 3expia | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → ( 𝑥 ∈ 𝑉 → ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 112 | 111 | ralrimiv | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) |
| 113 | oveq2 | ⊢ ( 𝑟 = ( 𝐻 ‘ 𝑧 ) → ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) | |
| 114 | 113 | eqeq2d | ⊢ ( 𝑟 = ( 𝐻 ‘ 𝑧 ) → ( ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ↔ ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 115 | 114 | ralbidv | ⊢ ( 𝑟 = ( 𝐻 ‘ 𝑧 ) → ( ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ↔ ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) ) |
| 116 | 115 | rspcev | ⊢ ( ( ( 𝐻 ‘ 𝑧 ) ∈ 𝐾 ∧ ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · ( 𝐻 ‘ 𝑧 ) ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| 117 | 54 112 116 | syl2anc | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ∧ 𝑧 ∈ 𝑉 ∧ ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| 118 | 117 | 3exp2 | ⊢ ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) → ( 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) → ( 𝑧 ∈ 𝑉 → ( ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) ) ) ) |
| 119 | 118 | imp | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( 𝑧 ∈ 𝑉 → ( ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) ) ) |
| 120 | 119 | rexlimdv | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ( ∃ 𝑧 ∈ 𝑉 ( 𝐺 ‘ 𝑧 ) = ( 1r ‘ 𝐷 ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) ) |
| 121 | 49 120 | mpd | ⊢ ( ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) ∧ 𝐺 ≠ ( 𝑉 × { ( 0g ‘ 𝐷 ) } ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |
| 122 | 44 121 | pm2.61dane | ⊢ ( ( 𝑊 ∈ LVec ∧ ( 𝐺 ∈ 𝐹 ∧ 𝐻 ∈ 𝐹 ) ∧ ( 𝐿 ‘ 𝐺 ) = ( 𝐿 ‘ 𝐻 ) ) → ∃ 𝑟 ∈ 𝐾 ∀ 𝑥 ∈ 𝑉 ( 𝐻 ‘ 𝑥 ) = ( ( 𝐺 ‘ 𝑥 ) · 𝑟 ) ) |