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Mirrors > Home > ILE Home > Th. List > divcanap2d | GIF version |
Description: A cancellation law for division. (Contributed by Jim Kingdon, 29-Feb-2020.) |
Ref | Expression |
---|---|
divcld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
divcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
divclapd.3 | ⊢ (𝜑 → 𝐵 # 0) |
Ref | Expression |
---|---|
divcanap2d | ⊢ (𝜑 → (𝐵 · (𝐴 / 𝐵)) = 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | divcld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | divcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | divclapd.3 | . 2 ⊢ (𝜑 → 𝐵 # 0) | |
4 | divcanap2 8572 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐵 # 0) → (𝐵 · (𝐴 / 𝐵)) = 𝐴) | |
5 | 1, 2, 3, 4 | syl3anc 1228 | 1 ⊢ (𝜑 → (𝐵 · (𝐴 / 𝐵)) = 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = wceq 1343 ∈ wcel 2136 class class class wbr 3981 (class class class)co 5841 ℂcc 7747 0cc0 7749 · cmul 7754 # cap 8475 / cdiv 8564 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4099 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-mulrcl 7848 ax-addcom 7849 ax-mulcom 7850 ax-addass 7851 ax-mulass 7852 ax-distr 7853 ax-i2m1 7854 ax-0lt1 7855 ax-1rid 7856 ax-0id 7857 ax-rnegex 7858 ax-precex 7859 ax-cnre 7860 ax-pre-ltirr 7861 ax-pre-ltwlin 7862 ax-pre-lttrn 7863 ax-pre-apti 7864 ax-pre-ltadd 7865 ax-pre-mulgt0 7866 ax-pre-mulext 7867 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-reu 2450 df-rmo 2451 df-rab 2452 df-v 2727 df-sbc 2951 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-br 3982 df-opab 4043 df-id 4270 df-po 4273 df-iso 4274 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-iota 5152 df-fun 5189 df-fv 5195 df-riota 5797 df-ov 5844 df-oprab 5845 df-mpo 5846 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-sub 8067 df-neg 8068 df-reap 8469 df-ap 8476 df-div 8565 |
This theorem is referenced by: nneo 9290 zeo2 9293 intfracq 10251 modqlt 10264 resqrexlemover 10948 resqrexlemcalc1 10952 cvgratz 11469 mertenslemi1 11472 efgt0 11621 tanaddap 11676 divconjdvds 11783 mulgcd 11945 qredeq 12024 qredeu 12025 prmind2 12048 oddpwdclemodd 12100 oddpwdclemdc 12101 pythagtriplem16 12207 pythagtriplem19 12210 pcprendvds2 12219 pcpremul 12221 pcadd 12267 dvrecap 13277 dveflem 13287 tangtx 13359 2sqlem8 13559 |
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