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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 8512 | . 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 1398 ∈ wcel 2205 (class class class)co 6060 ℂcc 8143 0cc0 8145 − cmin 8463 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 ax-setind 4666 ax-resscn 8237 ax-1cn 8238 ax-icn 8240 ax-addcl 8241 ax-addrcl 8242 ax-mulcl 8243 ax-addcom 8245 ax-addass 8247 ax-distr 8249 ax-i2m1 8250 ax-0id 8253 ax-rnegex 8254 ax-cnre 8256 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-br 4116 df-opab 4178 df-id 4420 df-xp 4762 df-rel 4763 df-cnv 4764 df-co 4765 df-dm 4766 df-iota 5319 df-fun 5361 df-fv 5367 df-riota 6013 df-ov 6063 df-oprab 6064 df-mpo 6065 df-sub 8465 |
| This theorem is referenced by: suble0 8770 lesub0 8773 ltm1 9142 modqid 10740 modqeqmodmin 10785 bcn0 11147 bcnn 11149 hashfzo0 11218 hashfz0 11220 ccatlid 11324 pfxmpt 11402 pfxfv 11406 swrdpfx 11429 pfxpfx 11430 remul2 11588 max0addsup 11935 clim0c 12002 geolim 12228 addmodlteqALT 12576 dvdsmod 12579 ndvdssub 12647 nn0seqcvgd 12769 phiprmpw 12950 pczpre 13026 pcaddlem 13068 pcmpt2 13073 4sqlem9 13115 4sqlem11 13130 zndvds0 14929 limcimolemlt 15660 dveflem 15722 sinmpi 15811 cosppi 15814 sinhalfpim 15817 sincosq2sgn 15823 0sgmppw 15993 apdifflemr 16973 |
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