| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8575 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → (𝐴 + -𝐵) = (𝐴 − 𝐵)) | |
| 4 | 1, 2, 3 | syl2anc 415 | 1 ⊢ (𝜑 → (𝐴 + -𝐵) = (𝐴 − 𝐵)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 (class class class)co 6085 ℂcc 8177 + caddc 8182 − cmin 8498 -cneg 8499 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-setind 4684 ax-resscn 8271 ax-1cn 8272 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-addcom 8279 ax-addass 8281 ax-distr 8283 ax-i2m1 8284 ax-0id 8287 ax-rnegex 8288 ax-cnre 8290 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-iota 5337 df-fun 5379 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-sub 8500 df-neg 8501 |
| This theorem is used by: mulsub 8729 apsub1 8972 divsubdirap 9040 divsubdivap 9060 div2subap 9169 ofnegsub 9294 zaddcllemneg 9687 icoshftf1o 10403 fzosubel 10622 ceiqm1l 10761 modqcyc2 10810 qnegmod 10819 modqsub12d 10831 modsumfzodifsn 10846 expaddzaplem 11032 binom2sub 11103 seq3shft 11617 cjreb 11645 recj 11646 remullem 11650 imcj 11654 resqrexlemover 11790 resqrexlemcalc1 11794 resqrexlemcalc3 11796 bdtri 12022 subcn2 12093 fsumshftm 12228 fsumsub 12235 geosergap 12289 efmival 12516 cosadd 12520 sinsub 12523 sincossq 12531 cos12dec 12551 moddvds 12582 dvdsadd2b 12623 pythagtriplem4 13067 mulgdirlem 14005 mulgmodid 14013 mulgsubdir 14014 gzsumconst 14192 dvmptsubcn 15873 cosq34lt1 16001 rpcxpsub 16063 rpabscxpbnd 16095 rprelogbdiv 16112 lgseisenlem1 16287 2sqlem4 16335 dichmul0orlem6 16856 apdifflemr 17194 |
| Copyright terms: Public domain | W3C validator |