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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 8404 | . 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 1397 ∈ wcel 2201 (class class class)co 6023 ℂcc 8035 0cc0 8037 − cmin 8355 |
| 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 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-setind 4637 ax-resscn 8129 ax-1cn 8130 ax-icn 8132 ax-addcl 8133 ax-addrcl 8134 ax-mulcl 8135 ax-addcom 8137 ax-addass 8139 ax-distr 8141 ax-i2m1 8142 ax-0id 8145 ax-rnegex 8146 ax-cnre 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-opab 4152 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-iota 5288 df-fun 5330 df-fv 5336 df-riota 5976 df-ov 6026 df-oprab 6027 df-mpo 6028 df-sub 8357 |
| This theorem is referenced by: suble0 8661 lesub0 8664 ltm1 9031 modqid 10617 modqeqmodmin 10662 bcn0 11023 bcnn 11025 hashfzo0 11093 hashfz0 11095 ccatlid 11192 pfxmpt 11270 pfxfv 11274 swrdpfx 11297 pfxpfx 11298 remul2 11456 max0addsup 11802 clim0c 11869 geolim 12095 addmodlteqALT 12443 dvdsmod 12446 ndvdssub 12514 nn0seqcvgd 12636 phiprmpw 12817 pczpre 12893 pcaddlem 12935 pcmpt2 12940 4sqlem9 12982 4sqlem11 12997 zndvds0 14688 limcimolemlt 15417 dveflem 15479 sinmpi 15568 cosppi 15571 sinhalfpim 15574 sincosq2sgn 15580 0sgmppw 15746 apdifflemr 16718 |
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