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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 8426 | . 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 6017 ℂcc 8029 + caddc 8034 − cmin 8349 -cneg 8350 |
| 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 8123 ax-1cn 8124 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-distr 8135 ax-i2m1 8136 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| 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 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-sub 8351 df-neg 8352 |
| This theorem is referenced by: mulsub 8579 apsub1 8821 divsubdirap 8887 divsubdivap 8907 div2subap 9016 ofnegsub 9141 zaddcllemneg 9517 icoshftf1o 10225 fzosubel 10438 ceiqm1l 10572 modqcyc2 10621 qnegmod 10630 modqsub12d 10642 modsumfzodifsn 10657 expaddzaplem 10843 binom2sub 10914 seq3shft 11398 cjreb 11426 recj 11427 remullem 11431 imcj 11435 resqrexlemover 11570 resqrexlemcalc1 11574 resqrexlemcalc3 11576 bdtri 11800 subcn2 11871 fsumshftm 12005 fsumsub 12012 geosergap 12066 efmival 12293 cosadd 12297 sinsub 12300 sincossq 12308 cos12dec 12328 moddvds 12359 dvdsadd2b 12400 pythagtriplem4 12840 mulgdirlem 13739 mulgmodid 13747 mulgsubdir 13748 gsumfzconst 13927 dvmptsubcn 15446 cosq34lt1 15573 rpcxpsub 15631 rpabscxpbnd 15663 rprelogbdiv 15680 lgseisenlem1 15798 2sqlem4 15846 apdifflemr 16651 |
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