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Theorem subnegi 11570

Description: Relationship between subtraction and negative. (Contributed by NM, 1-Dec-2005.)

**Hypotheses**
Ref	Expression
negidi.1	⊢ 𝐴 ∈ ℂ
pncan3i.2	⊢ 𝐵 ∈ ℂ

**Assertion**
Ref	Expression
subnegi	⊢ (𝐴 − -𝐵) = (𝐴 + 𝐵)

**Proof of Theorem subnegi**
Step	Hyp	Ref	Expression
1		negidi.1	. 2 ⊢ 𝐴 ∈ ℂ
2		pncan3i.2	. 2 ⊢ 𝐵 ∈ ℂ
3		subneg 11540	. 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 − -𝐵) = (𝐴 + 𝐵))
4	1, 2, 3	mp2an 691	1 ⊢ (𝐴 − -𝐵) = (𝐴 + 𝐵)

Colors of variables: wff setvar class

Syntax hints: = wceq 1534 ∈ wcel 2099 (class class class)co 7420 ℂcc 11137 + caddc 11142 − cmin 11475 -cneg 11476

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2699 ax-sep 5299 ax-nul 5306 ax-pow 5365 ax-pr 5429 ax-un 7740 ax-resscn 11196 ax-1cn 11197 ax-icn 11198 ax-addcl 11199 ax-addrcl 11200 ax-mulcl 11201 ax-mulrcl 11202 ax-mulcom 11203 ax-addass 11204 ax-mulass 11205 ax-distr 11206 ax-i2m1 11207 ax-1ne0 11208 ax-1rid 11209 ax-rnegex 11210 ax-rrecex 11211 ax-cnre 11212 ax-pre-lttri 11213 ax-pre-lttrn 11214 ax-pre-ltadd 11215

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2530 df-eu 2559 df-clab 2706 df-cleq 2720 df-clel 2806 df-nfc 2881 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-reu 3374 df-rab 3430 df-v 3473 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4909 df-br 5149 df-opab 5211 df-mpt 5232 df-id 5576 df-po 5590 df-so 5591 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-iota 6500 df-fun 6550 df-fn 6551 df-f 6552 df-f1 6553 df-fo 6554 df-f1o 6555 df-fv 6556 df-riota 7376 df-ov 7423 df-oprab 7424 df-mpo 7425 df-er 8725 df-en 8965 df-dom 8966 df-sdom 8967 df-pnf 11281 df-mnf 11282 df-ltxr 11284 df-sub 11477 df-neg 11478

This theorem is referenced by: sqeqori 14210 divalglem6 16375 vitalilem4 25553 sinord 26481 resinf1o 26483 acoscos 26838 atanlogsublem 26860 log2cnv 26889 sgnneg 34160 areacirc 37186 dvradcnv2 43784 binomcxplemnotnn0 43793 itgsin0pilem1 45338 fourierdlem94 45588 fourierdlem102 45596 fourierdlem103 45597 fourierdlem111 45605 fourierdlem112 45606 fourierdlem113 45607 fourierdlem114 45608 sqwvfoura 45616 sqwvfourb 45617

	
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