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| Mirrors > Home > HSE Home > Th. List > hvsubvali | Structured version Visualization version GIF version | ||
| Description: Value of vector subtraction definition. (Contributed by NM, 3-Sep-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hvaddcl.1 | ⊢ 𝐴 ∈ ℋ |
| hvaddcl.2 | ⊢ 𝐵 ∈ ℋ |
| Ref | Expression |
|---|---|
| hvsubvali | ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvaddcl.1 | . 2 ⊢ 𝐴 ∈ ℋ | |
| 2 | hvaddcl.2 | . 2 ⊢ 𝐵 ∈ ℋ | |
| 3 | hvsubval 30988 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) | |
| 4 | 1, 2, 3 | mp2an 692 | 1 ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2111 (class class class)co 7341 1c1 11002 -cneg 11340 ℋchba 30891 +ℎ cva 30892 ·ℎ csm 30893 −ℎ cmv 30897 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-sep 5229 ax-nul 5239 ax-pr 5365 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-sbc 3737 df-dif 3900 df-un 3902 df-ss 3914 df-nul 4279 df-if 4471 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-br 5087 df-opab 5149 df-id 5506 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-iota 6432 df-fun 6478 df-fv 6484 df-ov 7344 df-oprab 7345 df-mpo 7346 df-hvsub 30943 |
| This theorem is referenced by: hvsubsub4i 31031 hvnegdii 31034 hvsubeq0i 31035 hvsubcan2i 31036 hvsubaddi 31038 normlem0 31081 normlem9 31090 norm3difi 31119 normpar2i 31128 pjsubii 31650 pjssmii 31653 pjcji 31656 lnophmlem2 31989 |
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