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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 8427 | . 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 1397 ∈ wcel 2202 (class class class)co 6018 ℂcc 8030 + caddc 8035 − cmin 8350 -cneg 8351 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-setind 4635 ax-resscn 8124 ax-1cn 8125 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-addcom 8132 ax-addass 8134 ax-distr 8136 ax-i2m1 8137 ax-0id 8140 ax-rnegex 8141 ax-cnre 8143 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-sub 8352 df-neg 8353 |
| This theorem is referenced by: mulsub 8580 apsub1 8822 divsubdirap 8888 divsubdivap 8908 div2subap 9017 ofnegsub 9142 zaddcllemneg 9518 icoshftf1o 10226 fzosubel 10440 ceiqm1l 10574 modqcyc2 10623 qnegmod 10632 modqsub12d 10644 modsumfzodifsn 10659 expaddzaplem 10845 binom2sub 10916 seq3shft 11403 cjreb 11431 recj 11432 remullem 11436 imcj 11440 resqrexlemover 11575 resqrexlemcalc1 11579 resqrexlemcalc3 11581 bdtri 11805 subcn2 11876 fsumshftm 12011 fsumsub 12018 geosergap 12072 efmival 12299 cosadd 12303 sinsub 12306 sincossq 12314 cos12dec 12334 moddvds 12365 dvdsadd2b 12406 pythagtriplem4 12846 mulgdirlem 13745 mulgmodid 13753 mulgsubdir 13754 gsumfzconst 13933 dvmptsubcn 15453 cosq34lt1 15580 rpcxpsub 15638 rpabscxpbnd 15670 rprelogbdiv 15687 lgseisenlem1 15805 2sqlem4 15853 apdifflemr 16677 |
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