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Theorem nv2 22103
 Description: A vector plus itself is two times the vector. (Contributed by NM, 9-Feb-2008.) (New usage is discouraged.)
Hypotheses
Ref Expression
nvdi.1
nvdi.2
nvdi.4
Assertion
Ref Expression
nv2

Proof of Theorem nv2
StepHypRef Expression
1 eqid 2435 . . 3
21nvvc 22084 . 2
3 nvdi.2 . . . 4
43vafval 22072 . . 3
5 nvdi.4 . . . 4
65smfval 22074 . . 3
7 nvdi.1 . . . 4
87, 3bafval 22073 . . 3
94, 6, 8vc2 22024 . 2
102, 9sylan 458 1
 Colors of variables: wff set class Syntax hints:   wi 4   wa 359   wceq 1652   wcel 1725  cfv 5446  (class class class)co 6073  c1st 6339  c2 10039  cvc 22014  cnv 22053  cpv 22054  cba 22055  cns 22056 This theorem is referenced by:  ipidsq  22199  minvecolem2  22367 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1555  ax-5 1566  ax-17 1626  ax-9 1666  ax-8 1687  ax-13 1727  ax-14 1729  ax-6 1744  ax-7 1749  ax-11 1761  ax-12 1950  ax-ext 2416  ax-rep 4312  ax-sep 4322  ax-nul 4330  ax-pow 4369  ax-pr 4395  ax-un 4693  ax-1cn 9038 This theorem depends on definitions:  df-bi 178  df-or 360  df-an 361  df-3an 938  df-tru 1328  df-ex 1551  df-nf 1554  df-sb 1659  df-eu 2284  df-mo 2285  df-clab 2422  df-cleq 2428  df-clel 2431  df-nfc 2560  df-ne 2600  df-ral 2702  df-rex 2703  df-reu 2704  df-rab 2706  df-v 2950  df-sbc 3154  df-csb 3244  df-dif 3315  df-un 3317  df-in 3319  df-ss 3326  df-nul 3621  df-if 3732  df-sn 3812  df-pr 3813  df-op 3815  df-uni 4008  df-iun 4087  df-br 4205  df-opab 4259  df-mpt 4260  df-id 4490  df-xp 4876  df-rel 4877  df-cnv 4878  df-co 4879  df-dm 4880  df-rn 4881  df-res 4882  df-ima 4883  df-iota 5410  df-fun 5448  df-fn 5449  df-f 5450  df-f1 5451  df-fo 5452  df-f1o 5453  df-fv 5454  df-ov 6076  df-oprab 6077  df-1st 6341  df-2nd 6342  df-2 10048  df-vc 22015  df-nv 22061  df-va 22064  df-ba 22065  df-sm 22066  df-0v 22067  df-nmcv 22069
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