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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 31497 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵))) | |
| 4 | 1, 2, 3 | mp2an 705 | 1 ⊢ (𝐴 −ℎ 𝐵) = (𝐴 +ℎ (-1 ·ℎ 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 (class class class)co 7413 1c1 11125 -cneg 11466 ℋchba 31400 +ℎ cva 31401 ·ℎ csm 31402 −ℎ cmv 31406 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-hvsub 31452 |
| This theorem is used by: hvsubsub4i 31540 hvnegdii 31543 hvsubeq0i 31544 hvsubcan2i 31545 hvsubaddi 31547 normlem0 31590 normlem9 31599 norm3difi 31628 normpar2i 31637 pjsubii 32159 pjssmii 32162 pjcji 32165 lnophmlem2 32498 |
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