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Theorem hvsubvali 28800
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 28796 . 2 ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 𝐵) = (𝐴 + (-1 · 𝐵)))
41, 2, 3mp2an 690 1 (𝐴 𝐵) = (𝐴 + (-1 · 𝐵))
Colors of variables: wff setvar class
Syntax hints:   = wceq 1536  wcel 2113  (class class class)co 7159  1c1 10541  -cneg 10874  chba 28699   + cva 28700   · csm 28701   cmv 28705
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1969  ax-7 2014  ax-8 2115  ax-9 2123  ax-10 2144  ax-11 2160  ax-12 2176  ax-ext 2796  ax-sep 5206  ax-nul 5213  ax-pr 5333
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1539  df-ex 1780  df-nf 1784  df-sb 2069  df-mo 2621  df-eu 2653  df-clab 2803  df-cleq 2817  df-clel 2896  df-nfc 2966  df-ral 3146  df-rex 3147  df-rab 3150  df-v 3499  df-sbc 3776  df-dif 3942  df-un 3944  df-in 3946  df-ss 3955  df-nul 4295  df-if 4471  df-sn 4571  df-pr 4573  df-op 4577  df-uni 4842  df-br 5070  df-opab 5132  df-id 5463  df-xp 5564  df-rel 5565  df-cnv 5566  df-co 5567  df-dm 5568  df-iota 6317  df-fun 6360  df-fv 6366  df-ov 7162  df-oprab 7163  df-mpo 7164  df-hvsub 28751
This theorem is referenced by:  hvsubsub4i  28839  hvnegdii  28842  hvsubeq0i  28843  hvsubcan2i  28844  hvsubaddi  28846  normlem0  28889  normlem9  28898  norm3difi  28927  normpar2i  28936  pjsubii  29458  pjssmii  29461  pjcji  29464  lnophmlem2  29797
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