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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 31651 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ ( -1 ·ℎ 𝐵))) | |
| 2 | neg1cn 12335 | . . . 4 ⊢ -1 ∈ ℂ | |
| 3 | hvmulcl 31648 | . . . 4 ⊢ (( -1 ∈ ℂ ∧ 𝐵 ∈ ℋ) → ( -1 ·ℎ 𝐵) ∈ ℋ) | |
| 4 | 2, 3 | mpan 703 | . . 3 ⊢ (𝐵 ∈ ℋ → ( -1 ·ℎ 𝐵) ∈ ℋ) |
| 5 | hvaddcl 31647 | . . 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 2864 | 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 2147 (class class class)co 7446 ℂcc 11228 1c1 11231 -cneg 11572 ℋchba 31554 +ℎ cva 31555 ·ℎ csm 31556 −ℎ cmv 31560 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 ax-resscn 11287 ax-1cn 11288 ax-icn 11289 ax-addcl 11290 ax-addrcl 11291 ax-mulcl 11292 ax-mulrcl 11293 ax-mulcom 11294 ax-addass 11295 ax-mulass 11296 ax-distr 11297 ax-i2m1 11298 ax-1ne0 11299 ax-1rid 11300 ax-rnegex 11301 ax-rrecex 11302 ax-cnre 11303 ax-pre-lttri 11304 ax-pre-lttrn 11305 ax-pre-ltadd 11306 ax-hfvadd 31635 ax-hfvmul 31640 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-po 5564 df-so 5565 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7403 df-ov 7449 df-oprab 7450 df-mpo 7451 df-er 8748 df-en 9005 df-dom 9006 df-sdom 9007 df-pnf 11375 df-mnf 11376 df-ltxr 11378 df-sub 11573 df-neg 11574 df-hvsub 31606 |
| This theorem is used by: hvsubcli 31656 hvmulcan 31707 hvsubcan2 31710 hvaddsub4 31713 his2sub2 31728 hi2eq 31740 hial2eq 31741 hhph 31813 pjhthlem1 32026 pjhthlem2 32027 chscllem2 32273 5oalem2 32290 5oalem3 32291 5oalem5 32293 3oalem2 32298 hodcl 32382 hosubcli 32404 unopf1o 32551 lnopeq0i 32642 lnconi 32668 riesz3i 32697 riesz4i 32698 hmopidmpji 32787 pjclem4 32834 pj3si 32842 cdj1i 33068 |
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