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| Mirrors > Home > ILE Home > Th. List > subid1d | GIF version | ||
| Description: Identity law for subtraction. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| negidd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| Ref | Expression |
|---|---|
| subid1d | ⊢ (𝜑 → (𝐴 − 0) = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | negidd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | subid1 8382 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 − 0) = 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → (𝐴 − 0) = 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 (class class class)co 6010 ℂcc 8013 0cc0 8015 − cmin 8333 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-setind 4630 ax-resscn 8107 ax-1cn 8108 ax-icn 8110 ax-addcl 8111 ax-addrcl 8112 ax-mulcl 8113 ax-addcom 8115 ax-addass 8117 ax-distr 8119 ax-i2m1 8120 ax-0id 8123 ax-rnegex 8124 ax-cnre 8126 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-iota 5281 df-fun 5323 df-fv 5329 df-riota 5963 df-ov 6013 df-oprab 6014 df-mpo 6015 df-sub 8335 |
| This theorem is referenced by: suble0 8639 lesub0 8642 ltm1 9009 modqid 10588 modqeqmodmin 10633 bcn0 10994 bcnn 10996 hashfzo0 11063 hashfz0 11065 ccatlid 11159 pfxmpt 11233 pfxfv 11237 swrdpfx 11260 pfxpfx 11261 remul2 11405 max0addsup 11751 clim0c 11818 geolim 12043 addmodlteqALT 12391 dvdsmod 12394 ndvdssub 12462 nn0seqcvgd 12584 phiprmpw 12765 pczpre 12841 pcaddlem 12883 pcmpt2 12888 4sqlem9 12930 4sqlem11 12945 zndvds0 14635 limcimolemlt 15359 dveflem 15421 sinmpi 15510 cosppi 15513 sinhalfpim 15516 sincosq2sgn 15522 0sgmppw 15688 apdifflemr 16529 |
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