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| Mirrors > Home > ILE Home > Th. List > negsubdi2i | GIF version | ||
| Description: Distribution of negative over subtraction. (Contributed by NM, 1-Oct-1999.) |
| Ref | Expression |
|---|---|
| negidi.1 | ⊢ 𝐴 ∈ ℂ |
| pncan3i.2 | ⊢ 𝐵 ∈ ℂ |
| Ref | Expression |
|---|---|
| negsubdi2i | ⊢ -(𝐴 − 𝐵) = (𝐵 − 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidi.1 | . . 3 ⊢ 𝐴 ∈ ℂ | |
| 2 | pncan3i.2 | . . 3 ⊢ 𝐵 ∈ ℂ | |
| 3 | 1, 2 | negsubdii 8546 | . 2 ⊢ -(𝐴 − 𝐵) = (-𝐴 + 𝐵) |
| 4 | 1 | negcli 8529 | . . 3 ⊢ -𝐴 ∈ ℂ |
| 5 | 2, 1 | negsubi 8539 | . . 3 ⊢ (𝐵 + -𝐴) = (𝐵 − 𝐴) |
| 6 | 2, 4, 5 | addcomli 8406 | . 2 ⊢ (-𝐴 + 𝐵) = (𝐵 − 𝐴) |
| 7 | 3, 6 | eqtri 2253 | 1 ⊢ -(𝐴 − 𝐵) = (𝐵 − 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 ∈ wcel 2203 (class class class)co 6041 ℂcc 8113 + caddc 8118 − cmin 8432 -cneg 8433 |
| 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 2206 ax-ext 2214 ax-sep 4221 ax-pow 4279 ax-pr 4314 ax-setind 4650 ax-resscn 8207 ax-1cn 8208 ax-icn 8210 ax-addcl 8211 ax-addrcl 8212 ax-mulcl 8213 ax-addcom 8215 ax-addass 8217 ax-distr 8219 ax-i2m1 8220 ax-0id 8223 ax-rnegex 8224 ax-cnre 8226 |
| 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 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-pw 3667 df-sn 3688 df-pr 3689 df-op 3691 df-uni 3908 df-br 4103 df-opab 4165 df-id 4405 df-xp 4746 df-rel 4747 df-cnv 4748 df-co 4749 df-dm 4750 df-iota 5303 df-fun 5345 df-fv 5351 df-riota 5994 df-ov 6044 df-oprab 6045 df-mpo 6046 df-sub 8434 df-neg 8435 |
| This theorem is referenced by: zeo 9669 resqrexlemcalc1 11677 geo2sum2 12179 cos2bnd 12424 3dvds 12528 |
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