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| Mirrors > Home > ILE Home > Th. List > npcand | GIF version | ||
| Description: Cancellation law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| pncand.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| npcand | ⊢ (𝜑 → ((𝐴 − 𝐵) + 𝐵) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | pncand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | npcan 8543 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ) → ((𝐴 − 𝐵) + 𝐵) = 𝐴) | |
| 4 | 1, 2, 3 | syl2anc 415 | 1 ⊢ (𝜑 → ((𝐴 − 𝐵) + 𝐵) = 𝐴) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 = wceq 1402 ∈ wcel 2209 (class class class)co 6088 ℂcc 8184 + caddc 8189 − cmin 8505 |
| 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 4251 ax-pow 4313 ax-pr 4348 ax-setind 4686 ax-resscn 8278 ax-1cn 8279 ax-icn 8281 ax-addcl 8282 ax-addrcl 8283 ax-mulcl 8284 ax-addcom 8286 ax-addass 8288 ax-distr 8290 ax-i2m1 8291 ax-0id 8294 ax-rnegex 8295 ax-cnre 8297 |
| 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 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-sub 8507 |
| This theorem is used by: addlsub 8704 npcan1 8713 ltsubadd 8768 lesubadd 8770 ltaddsub 8772 leaddsub 8774 lesub1 8792 ltsub1 8794 irraddap 10064 lincmb01cmp 10423 lincmble 10424 fzsplit3 10476 fzspl 10494 expaddzaplem 11041 bcpasc 11227 bcm1n 11230 bcn2m1 11231 zfz1isolemsplit 11313 zfz1isolem1 11315 shftuz 11605 seq3shft 11626 arisum2 12292 cvgratnnlemsumlt 12321 ntrivcvgap 12341 fprodm1 12391 sin01bnd 12550 cos12dec 12561 moddvds 12592 dvdsexp 12654 zeo3 12661 divalglemnn 12711 bitscmp 12751 uzwodc 12840 hashdvds 13029 ballotfilemfc0 13291 ballotfilemfcc 13292 gzsumsplit0 14239 dvcnp2cntop 15937 chtublem 16307 lgseisenlem4 16409 lgsquadlem1 16413 clwwlknonex2lem1 16895 |
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