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| Mirrors > Home > MPE Home > Th. List > negsubdi2 | Structured version Visualization version GIF version | ||
| Description: Distribution of negative over subtraction. (Contributed by NM, 4-Oct-1999.) |
| Ref | Expression |
|---|---|
| negsubdi2 | ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → -(𝐴 − 𝐵) = (𝐵 − 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negsubdi 11539 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → -(𝐴 − 𝐵) = (-𝐴 + 𝐵)) | |
| 2 | negcl 11482 | . . 3 ⊢ (𝐴 ∈ ℂ → -𝐴 ∈ ℂ) | |
| 3 | addcom 11421 | . . 3 ⊢ ((-𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (-𝐴 + 𝐵) = (𝐵 + -𝐴)) | |
| 4 | 2, 3 | sylan 592 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (-𝐴 + 𝐵) = (𝐵 + -𝐴)) |
| 5 | negsub 11531 | . . 3 ⊢ ((𝐵 ∈ ℂ ∧ 𝐴 ∈ ℂ) → (𝐵 + -𝐴) = (𝐵 − 𝐴)) | |
| 6 | 5 | ancoms 464 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐵 + -𝐴) = (𝐵 − 𝐴)) |
| 7 | 1, 4, 6 | 3eqtrd 2801 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → -(𝐴 − 𝐵) = (𝐵 − 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 (class class class)co 7416 ℂcc 11123 + caddc 11128 − cmin 11466 -cneg 11467 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11270 df-mnf 11271 df-ltxr 11273 df-sub 11468 df-neg 11469 |
| This theorem is used by: neg2sub 11543 negsubdi2d 11610 subeqrev 11661 mulsub2 11683 div2sub 12065 elz2 12634 fzshftral 13670 sqsubswap 14181 abssub 15414 abs2difabs 15422 3dvds 16423 dvdsprmpweqle 16980 sin2pim 26718 cos2pim 26719 ptolemy 26729 logtayl2 26895 ang180lem1 27042 ang180lem2 27043 isosctrlem2 27052 atanlogsublem 27148 1sgm2ppw 27432 mersenne 27459 2sqblem 27663 axeuclidlem 29403 dya2ub 34766 pellexlem6 43660 submodlt 48229 |
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