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Theorem negsubdi2i 8578
Description: Distribution of negative over subtraction. (Contributed by NM, 1-Oct-1999.)
Hypotheses
Ref Expression
negidi.1 𝐴 ∈ ℂ
pncan3i.2 𝐵 ∈ ℂ
Assertion
Ref Expression
negsubdi2i -(𝐴𝐵) = (𝐵𝐴)

Proof of Theorem negsubdi2i
StepHypRef Expression
1 negidi.1 . . 3 𝐴 ∈ ℂ
2 pncan3i.2 . . 3 𝐵 ∈ ℂ
31, 2negsubdii 8577 . 2 -(𝐴𝐵) = (-𝐴 + 𝐵)
41negcli 8560 . . 3 -𝐴 ∈ ℂ
52, 1negsubi 8570 . . 3 (𝐵 + -𝐴) = (𝐵𝐴)
62, 4, 5addcomli 8437 . 2 (-𝐴 + 𝐵) = (𝐵𝐴)
73, 6eqtri 2255 1 -(𝐴𝐵) = (𝐵𝐴)
Colors of variables: wff set class
Syntax hints:   = wceq 1398  wcel 2205  (class class class)co 6060  cc 8143   + caddc 8148  cmin 8463  -cneg 8464
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2208  ax-ext 2216  ax-sep 4234  ax-pow 4293  ax-pr 4328  ax-setind 4666  ax-resscn 8237  ax-1cn 8238  ax-icn 8240  ax-addcl 8241  ax-addrcl 8242  ax-mulcl 8243  ax-addcom 8245  ax-addass 8247  ax-distr 8249  ax-i2m1 8250  ax-0id 8253  ax-rnegex 8254  ax-cnre 8256
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-ne 2415  df-ral 2527  df-rex 2528  df-reu 2529  df-rab 2531  df-v 2817  df-sbc 3046  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-pw 3677  df-sn 3701  df-pr 3702  df-op 3704  df-uni 3921  df-br 4116  df-opab 4178  df-id 4420  df-xp 4762  df-rel 4763  df-cnv 4764  df-co 4765  df-dm 4766  df-iota 5319  df-fun 5361  df-fv 5367  df-riota 6013  df-ov 6063  df-oprab 6064  df-mpo 6065  df-sub 8465  df-neg 8466
This theorem is referenced by:  zeo  9706  resqrexlemcalc1  11730  geo2sum2  12232  cos2bnd  12477  3dvds  12581  ballotfilem2  13178
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