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| Mirrors > Home > HSE Home > Th. List > hv2neg | Structured version Visualization version GIF version | ||
| Description: Two ways to express the negative of a vector. (Contributed by NM, 23-May-2005.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hv2neg | ⊢ (𝐴 ∈ ℋ → (0ℎ −ℎ 𝐴) = (-1 ·ℎ 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-hv0cl 31203 | . . 3 ⊢ 0ℎ ∈ ℋ | |
| 2 | hvsubval 31216 | . . 3 ⊢ ((0ℎ ∈ ℋ ∧ 𝐴 ∈ ℋ) → (0ℎ −ℎ 𝐴) = (0ℎ +ℎ (-1 ·ℎ 𝐴))) | |
| 3 | 1, 2 | mpan 700 | . 2 ⊢ (𝐴 ∈ ℋ → (0ℎ −ℎ 𝐴) = (0ℎ +ℎ (-1 ·ℎ 𝐴))) |
| 4 | neg1cn 12180 | . . . 4 ⊢ -1 ∈ ℂ | |
| 5 | hvmulcl 31213 | . . . 4 ⊢ ((-1 ∈ ℂ ∧ 𝐴 ∈ ℋ) → (-1 ·ℎ 𝐴) ∈ ℋ) | |
| 6 | 4, 5 | mpan 700 | . . 3 ⊢ (𝐴 ∈ ℋ → (-1 ·ℎ 𝐴) ∈ ℋ) |
| 7 | hvaddlid 31223 | . . 3 ⊢ ((-1 ·ℎ 𝐴) ∈ ℋ → (0ℎ +ℎ (-1 ·ℎ 𝐴)) = (-1 ·ℎ 𝐴)) | |
| 8 | 6, 7 | syl 17 | . 2 ⊢ (𝐴 ∈ ℋ → (0ℎ +ℎ (-1 ·ℎ 𝐴)) = (-1 ·ℎ 𝐴)) |
| 9 | 3, 8 | eqtrd 2797 | 1 ⊢ (𝐴 ∈ ℋ → (0ℎ −ℎ 𝐴) = (-1 ·ℎ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 ∈ wcel 2142 (class class class)co 7396 ℂcc 11071 1c1 11074 -cneg 11415 ℋchba 31119 +ℎ cva 31120 ·ℎ csm 31121 0ℎc0v 31124 −ℎ cmv 31125 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 ax-hvcom 31201 ax-hv0cl 31203 ax-hvaddid 31204 ax-hfvmul 31205 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-po 5555 df-so 5556 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11218 df-mnf 11219 df-ltxr 11221 df-sub 11416 df-neg 11417 df-hvsub 31171 |
| This theorem is referenced by: hv2negi 31231 normneg 31344 |
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