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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 28778 | . . 3 ⊢ 0ℎ ∈ ℋ | |
2 | hvsubval 28791 | . . 3 ⊢ ((0ℎ ∈ ℋ ∧ 𝐴 ∈ ℋ) → (0ℎ −ℎ 𝐴) = (0ℎ +ℎ (-1 ·ℎ 𝐴))) | |
3 | 1, 2 | mpan 688 | . 2 ⊢ (𝐴 ∈ ℋ → (0ℎ −ℎ 𝐴) = (0ℎ +ℎ (-1 ·ℎ 𝐴))) |
4 | neg1cn 11745 | . . . 4 ⊢ -1 ∈ ℂ | |
5 | hvmulcl 28788 | . . . 4 ⊢ ((-1 ∈ ℂ ∧ 𝐴 ∈ ℋ) → (-1 ·ℎ 𝐴) ∈ ℋ) | |
6 | 4, 5 | mpan 688 | . . 3 ⊢ (𝐴 ∈ ℋ → (-1 ·ℎ 𝐴) ∈ ℋ) |
7 | hvaddid2 28798 | . . 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 2855 | 1 ⊢ (𝐴 ∈ ℋ → (0ℎ −ℎ 𝐴) = (-1 ·ℎ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 (class class class)co 7149 ℂcc 10528 1c1 10531 -cneg 10864 ℋchba 28694 +ℎ cva 28695 ·ℎ csm 28696 0ℎc0v 28699 −ℎ cmv 28700 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5323 ax-un 7454 ax-resscn 10587 ax-1cn 10588 ax-icn 10589 ax-addcl 10590 ax-addrcl 10591 ax-mulcl 10592 ax-mulrcl 10593 ax-mulcom 10594 ax-addass 10595 ax-mulass 10596 ax-distr 10597 ax-i2m1 10598 ax-1ne0 10599 ax-1rid 10600 ax-rnegex 10601 ax-rrecex 10602 ax-cnre 10603 ax-pre-lttri 10604 ax-pre-lttrn 10605 ax-pre-ltadd 10606 ax-hvcom 28776 ax-hv0cl 28778 ax-hvaddid 28779 ax-hfvmul 28780 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-ne 3016 df-nel 3123 df-ral 3142 df-rex 3143 df-reu 3144 df-rab 3146 df-v 3493 df-sbc 3769 df-csb 3877 df-dif 3932 df-un 3934 df-in 3936 df-ss 3945 df-nul 4285 df-if 4461 df-pw 4534 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-id 5453 df-po 5467 df-so 5468 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7107 df-ov 7152 df-oprab 7153 df-mpo 7154 df-er 8282 df-en 8503 df-dom 8504 df-sdom 8505 df-pnf 10670 df-mnf 10671 df-ltxr 10673 df-sub 10865 df-neg 10866 df-hvsub 28746 |
This theorem is referenced by: hv2negi 28806 normneg 28919 |
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