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Theorem hvsubvali 28724
Description: Value of vector subtraction definition. (Contributed by NM, 3-Sep-1999.) (New usage is discouraged.)
Hypotheses
Ref Expression
hvaddcl.1 𝐴 ∈ ℋ
hvaddcl.2 𝐵 ∈ ℋ
Assertion
Ref Expression
hvsubvali (𝐴 𝐵) = (𝐴 + (-1 · 𝐵))

Proof of Theorem hvsubvali
StepHypRef Expression
1 hvaddcl.1 . 2 𝐴 ∈ ℋ
2 hvaddcl.2 . 2 𝐵 ∈ ℋ
3 hvsubval 28720 . 2 ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 𝐵) = (𝐴 + (-1 · 𝐵)))
41, 2, 3mp2an 688 1 (𝐴 𝐵) = (𝐴 + (-1 · 𝐵))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1528  wcel 2105  (class class class)co 7145  1c1 10526  -cneg 10859  chba 28623   + cva 28624   · csm 28625   cmv 28629
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1787  ax-4 1801  ax-5 1902  ax-6 1961  ax-7 2006  ax-8 2107  ax-9 2115  ax-10 2136  ax-11 2151  ax-12 2167  ax-ext 2790  ax-sep 5194  ax-nul 5201  ax-pr 5320
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 842  df-3an 1081  df-tru 1531  df-ex 1772  df-nf 1776  df-sb 2061  df-mo 2615  df-eu 2647  df-clab 2797  df-cleq 2811  df-clel 2890  df-nfc 2960  df-ral 3140  df-rex 3141  df-rab 3144  df-v 3494  df-sbc 3770  df-dif 3936  df-un 3938  df-in 3940  df-ss 3949  df-nul 4289  df-if 4464  df-sn 4558  df-pr 4560  df-op 4564  df-uni 4831  df-br 5058  df-opab 5120  df-id 5453  df-xp 5554  df-rel 5555  df-cnv 5556  df-co 5557  df-dm 5558  df-iota 6307  df-fun 6350  df-fv 6356  df-ov 7148  df-oprab 7149  df-mpo 7150  df-hvsub 28675
This theorem is referenced by:  hvsubsub4i  28763  hvnegdii  28766  hvsubeq0i  28767  hvsubcan2i  28768  hvsubaddi  28770  normlem0  28813  normlem9  28822  norm3difi  28851  normpar2i  28860  pjsubii  29382  pjssmii  29385  pjcji  29388  lnophmlem2  29721
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