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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 8853 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐵 # 0) → (𝐵 · (𝐴 / 𝐵)) = 𝐴) | |
| 5 | 1, 2, 3, 4 | syl3anc 1271 | 1 ⊢ (𝜑 → (𝐵 · (𝐴 / 𝐵)) = 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 class class class wbr 4086 (class class class)co 6013 ℂcc 8023 0cc0 8025 · cmul 8030 # cap 8754 / cdiv 8845 |
| 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-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-mulrcl 8124 ax-addcom 8125 ax-mulcom 8126 ax-addass 8127 ax-mulass 8128 ax-distr 8129 ax-i2m1 8130 ax-0lt1 8131 ax-1rid 8132 ax-0id 8133 ax-rnegex 8134 ax-precex 8135 ax-cnre 8136 ax-pre-ltirr 8137 ax-pre-ltwlin 8138 ax-pre-lttrn 8139 ax-pre-apti 8140 ax-pre-ltadd 8141 ax-pre-mulgt0 8142 ax-pre-mulext 8143 |
| 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-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2802 df-sbc 3030 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-id 4388 df-po 4391 df-iso 4392 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-iota 5284 df-fun 5326 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-pnf 8209 df-mnf 8210 df-xr 8211 df-ltxr 8212 df-le 8213 df-sub 8345 df-neg 8346 df-reap 8748 df-ap 8755 df-div 8846 |
| This theorem is referenced by: nneo 9576 zeo2 9579 intfracq 10575 modqlt 10588 resqrexlemover 11564 resqrexlemcalc1 11568 cvgratz 12086 mertenslemi1 12089 efgt0 12238 tanaddap 12293 divconjdvds 12403 bitsmod 12510 mulgcd 12580 qredeq 12661 qredeu 12662 prmind2 12685 oddpwdclemodd 12737 oddpwdclemdc 12738 pythagtriplem16 12845 pythagtriplem19 12848 pcprendvds2 12857 pcpremul 12859 pcadd 12906 4sqlem19 12975 znrrg 14667 dvrecap 15430 dveflem 15443 tangtx 15555 mersenne 15714 perfectlem2 15717 perfect 15718 lgseisenlem1 15792 lgseisenlem3 15794 lgsquadlem1 15799 lgsquad2lem1 15803 m1lgs 15807 2sqlem8 15845 |
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