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| Mirrors > Home > HSE Home > Th. List > hvsubid | Structured version Visualization version GIF version | ||
| Description: Subtraction of a vector from itself. (Contributed by NM, 30-May-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hvsubid | ⊢ (𝐴 ∈ ℋ → (𝐴 −ℎ 𝐴) = 0ℎ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-hvmulid 31387 | . . . . 5 ⊢ (𝐴 ∈ ℋ → (1 ·ℎ 𝐴) = 𝐴) | |
| 2 | 1 | oveq1d 7431 | . . . 4 ⊢ (𝐴 ∈ ℋ → ((1 ·ℎ 𝐴) +ℎ (-1 ·ℎ 𝐴)) = (𝐴 +ℎ (-1 ·ℎ 𝐴))) |
| 3 | ax-1cn 11169 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 4 | neg1cn 12214 | . . . . 5 ⊢ -1 ∈ ℂ | |
| 5 | ax-hvdistr2 31390 | . . . . 5 ⊢ ((1 ∈ ℂ ∧ -1 ∈ ℂ ∧ 𝐴 ∈ ℋ) → ((1 + -1) ·ℎ 𝐴) = ((1 ·ℎ 𝐴) +ℎ (-1 ·ℎ 𝐴))) | |
| 6 | 3, 4, 5 | mp3an12 1480 | . . . 4 ⊢ (𝐴 ∈ ℋ → ((1 + -1) ·ℎ 𝐴) = ((1 ·ℎ 𝐴) +ℎ (-1 ·ℎ 𝐴))) |
| 7 | hvsubval 31397 | . . . . 5 ⊢ ((𝐴 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (𝐴 −ℎ 𝐴) = (𝐴 +ℎ (-1 ·ℎ 𝐴))) | |
| 8 | 7 | anidms 577 | . . . 4 ⊢ (𝐴 ∈ ℋ → (𝐴 −ℎ 𝐴) = (𝐴 +ℎ (-1 ·ℎ 𝐴))) |
| 9 | 2, 6, 8 | 3eqtr4rd 2811 | . . 3 ⊢ (𝐴 ∈ ℋ → (𝐴 −ℎ 𝐴) = ((1 + -1) ·ℎ 𝐴)) |
| 10 | 1pneg1e0 12369 | . . . 4 ⊢ (1 + -1) = 0 | |
| 11 | 10 | oveq1i 7426 | . . 3 ⊢ ((1 + -1) ·ℎ 𝐴) = (0 ·ℎ 𝐴) |
| 12 | 9, 11 | eqtrdi 2816 | . 2 ⊢ (𝐴 ∈ ℋ → (𝐴 −ℎ 𝐴) = (0 ·ℎ 𝐴)) |
| 13 | ax-hvmul0 31391 | . 2 ⊢ (𝐴 ∈ ℋ → (0 ·ℎ 𝐴) = 0ℎ) | |
| 14 | 12, 13 | eqtrd 2800 | 1 ⊢ (𝐴 ∈ ℋ → (𝐴 −ℎ 𝐴) = 0ℎ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 (class class class)co 7416 ℂcc 11109 0cc0 11111 1c1 11112 + caddc 11114 -cneg 11453 ℋchba 31300 +ℎ cva 31301 ·ℎ csm 31302 0ℎc0v 31305 −ℎ cmv 31306 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-resscn 11168 ax-1cn 11169 ax-icn 11170 ax-addcl 11171 ax-addrcl 11172 ax-mulcl 11173 ax-mulrcl 11174 ax-mulcom 11175 ax-addass 11176 ax-mulass 11177 ax-distr 11178 ax-i2m1 11179 ax-1ne0 11180 ax-1rid 11181 ax-rnegex 11182 ax-rrecex 11183 ax-cnre 11184 ax-pre-lttri 11185 ax-pre-lttrn 11186 ax-pre-ltadd 11187 ax-hvmulid 31387 ax-hvdistr2 31390 ax-hvmul0 31391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-ltxr 11259 df-sub 11454 df-neg 11455 df-hvsub 31352 |
| This theorem is used by: hvnegid 31408 hvsubeq0i 31444 hvaddsub4 31459 norm3difi 31528 5oalem1 32035 5oalem2 32036 5oalem3 32037 5oalem5 32039 3oalem2 32044 pjsslem 32060 ho0val 32131 lnop0 32347 0cnop 32360 pjclem4 32580 pj3si 32588 |
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