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| Mirrors > Home > ILE Home > Th. List > negsubd | GIF version | ||
| Description: Relationship between subtraction and negative. Theorem I.3 of [Apostol] p. 18. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| negsubd | ⊢ (𝜑 → (𝐴 + -𝐵) = (𝐴 − 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | pncand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | negsub 8537 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 + -𝐵) = (𝐴 − 𝐵)) | |
| 4 | 1, 2, 3 | syl2anc 411 | 1 ⊢ (𝜑 → (𝐴 + -𝐵) = (𝐴 − 𝐵)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 (class class class)co 6058 ℂcc 8141 + caddc 8146 − cmin 8460 -cneg 8461 |
| 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 4233 ax-pow 4292 ax-pr 4327 ax-setind 4664 ax-resscn 8235 ax-1cn 8236 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-addass 8245 ax-distr 8247 ax-i2m1 8248 ax-0id 8251 ax-rnegex 8252 ax-cnre 8254 |
| 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 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-iota 5317 df-fun 5359 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-sub 8462 df-neg 8463 |
| This theorem is referenced by: mulsub 8691 apsub1 8933 divsubdirap 8999 divsubdivap 9019 div2subap 9128 ofnegsub 9253 zaddcllemneg 9633 icoshftf1o 10343 fzosubel 10561 ceiqm1l 10697 modqcyc2 10746 qnegmod 10755 modqsub12d 10767 modsumfzodifsn 10782 expaddzaplem 10968 binom2sub 11039 seq3shft 11548 cjreb 11576 recj 11577 remullem 11581 imcj 11585 resqrexlemover 11720 resqrexlemcalc1 11724 resqrexlemcalc3 11726 bdtri 11950 subcn2 12021 fsumshftm 12156 fsumsub 12163 geosergap 12217 efmival 12444 cosadd 12448 sinsub 12451 sincossq 12459 cos12dec 12479 moddvds 12510 dvdsadd2b 12551 pythagtriplem4 12991 mulgdirlem 13906 mulgmodid 13914 mulgsubdir 13915 gsumfzconst 14094 dvmptsubcn 15714 cosq34lt1 15841 rpcxpsub 15899 rpabscxpbnd 15931 rprelogbdiv 15948 lgseisenlem1 16069 2sqlem4 16117 apdifflemr 16957 |
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