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| Mirrors > Home > HSE Home > Th. List > hvsubcl | Structured version Visualization version GIF version | ||
| Description: Closure of vector subtraction. (Contributed by NM, 17-Aug-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hvsubcl | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) ∈ ℋ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvsubval 31624 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵))) | |
| 2 | neg1cn 12309 | . . . 4 ⊢ -1 ∈ ℂ | |
| 3 | hvmulcl 31621 | . . . 4 ⊢ (( -1 ∈ ℂ ∧ 𝐵 ∈ ℋ) → ( -1 ·ℎ 𝐵) ∈ ℋ) | |
| 4 | 2, 3 | mpan 703 | . . 3 ⊢ (𝐵 ∈ ℋ → ( -1 ·ℎ 𝐵) ∈ ℋ) |
| 5 | hvaddcl 31620 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ ( -1 ·ℎ 𝐵) ∈ ℋ) → (𝐴 +ℎ ( -1 ·ℎ 𝐵)) ∈ ℋ) | |
| 6 | 4, 5 | sylan2 605 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 +ℎ ( -1 ·ℎ 𝐵)) ∈ ℋ) |
| 7 | 1, 6 | eqeltrd 2860 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) ∈ ℋ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2144 (class class class)co 7421 ℂcc 11202 1c1 11205 -cneg 11546 ℋchba 31527 +ℎ cva 31528 ·ℎ csm 31529 −ℎ cmv 31533 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-hfvadd 31608 ax-hfvmul 31613 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-po 5558 df-so 5559 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-ltxr 11352 df-sub 11547 df-neg 11548 df-hvsub 31579 |
| This theorem is used by: hvsubcli 31629 hvmulcan 31680 hvsubcan2 31683 hvaddsub4 31686 his2sub2 31701 hi2eq 31713 hial2eq 31714 hhph 31786 pjhthlem1 31999 pjhthlem2 32000 chscllem2 32246 5oalem2 32263 5oalem3 32264 5oalem5 32266 3oalem2 32271 hodcl 32355 hosubcli 32377 unopf1o 32524 lnopeq0i 32615 lnconi 32641 riesz3i 32670 riesz4i 32671 hmopidmpji 32760 pjclem4 32807 pj3si 32815 cdj1i 33041 |
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