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Mirrors > Home > MPE Home > Th. List > negsubdi | Structured version Visualization version GIF version |
Description: Distribution of negative over subtraction. (Contributed by NM, 15-Nov-2004.) (Proof shortened by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
negsubdi | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → -(𝐴 − 𝐵) = (-𝐴 + 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0cn 11037 | . . 3 ⊢ 0 ∈ ℂ | |
2 | subsub 11321 | . . 3 ⊢ ((0 ∈ ℂ ∧ 𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (0 − (𝐴 − 𝐵)) = ((0 − 𝐴) + 𝐵)) | |
3 | 1, 2 | mp3an1 1447 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (0 − (𝐴 − 𝐵)) = ((0 − 𝐴) + 𝐵)) |
4 | df-neg 11278 | . 2 ⊢ -(𝐴 − 𝐵) = (0 − (𝐴 − 𝐵)) | |
5 | df-neg 11278 | . . 3 ⊢ -𝐴 = (0 − 𝐴) | |
6 | 5 | oveq1i 7323 | . 2 ⊢ (-𝐴 + 𝐵) = ((0 − 𝐴) + 𝐵) |
7 | 3, 4, 6 | 3eqtr4g 2802 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → -(𝐴 − 𝐵) = (-𝐴 + 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1540 ∈ wcel 2105 (class class class)co 7313 ℂcc 10939 0cc0 10941 + caddc 10944 − cmin 11275 -cneg 11276 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2708 ax-sep 5236 ax-nul 5243 ax-pow 5301 ax-pr 5365 ax-un 7626 ax-resscn 10998 ax-1cn 10999 ax-icn 11000 ax-addcl 11001 ax-addrcl 11002 ax-mulcl 11003 ax-mulrcl 11004 ax-mulcom 11005 ax-addass 11006 ax-mulass 11007 ax-distr 11008 ax-i2m1 11009 ax-1ne0 11010 ax-1rid 11011 ax-rnegex 11012 ax-rrecex 11013 ax-cnre 11014 ax-pre-lttri 11015 ax-pre-lttrn 11016 ax-pre-ltadd 11017 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3351 df-rab 3405 df-v 3443 df-sbc 3726 df-csb 3842 df-dif 3899 df-un 3901 df-in 3903 df-ss 3913 df-nul 4267 df-if 4470 df-pw 4545 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4849 df-br 5086 df-opab 5148 df-mpt 5169 df-id 5505 df-po 5519 df-so 5520 df-xp 5611 df-rel 5612 df-cnv 5613 df-co 5614 df-dm 5615 df-rn 5616 df-res 5617 df-ima 5618 df-iota 6415 df-fun 6465 df-fn 6466 df-f 6467 df-f1 6468 df-fo 6469 df-f1o 6470 df-fv 6471 df-riota 7270 df-ov 7316 df-oprab 7317 df-mpo 7318 df-er 8544 df-en 8780 df-dom 8781 df-sdom 8782 df-pnf 11081 df-mnf 11082 df-ltxr 11084 df-sub 11277 df-neg 11278 |
This theorem is referenced by: negdi 11348 negsubdi2 11350 neg2sub 11351 negsubdid 11417 rebtwnz 12757 odd2np1 16119 sin2pim 25713 cos2pim 25714 dya2ub 32343 jm2.24 40996 sigarms 44631 onego 45357 |
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