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Mirrors > Home > MPE Home > Th. List > 1div1e1 | Structured version Visualization version GIF version |
Description: 1 divided by 1 is 1. (Contributed by David A. Wheeler, 7-Dec-2018.) |
Ref | Expression |
---|---|
1div1e1 | ⊢ (1 / 1) = 1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 10583 | . 2 ⊢ 1 ∈ ℂ | |
2 | div1 11317 | . 2 ⊢ (1 ∈ ℂ → (1 / 1) = 1) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (1 / 1) = 1 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1528 ∈ wcel 2105 (class class class)co 7145 ℂcc 10523 1c1 10526 / cdiv 11285 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-resscn 10582 ax-1cn 10583 ax-icn 10584 ax-addcl 10585 ax-addrcl 10586 ax-mulcl 10587 ax-mulrcl 10588 ax-mulcom 10589 ax-addass 10590 ax-mulass 10591 ax-distr 10592 ax-i2m1 10593 ax-1ne0 10594 ax-1rid 10595 ax-rnegex 10596 ax-rrecex 10597 ax-cnre 10598 ax-pre-lttri 10599 ax-pre-lttrn 10600 ax-pre-ltadd 10601 ax-pre-mulgt0 10602 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-nel 3121 df-ral 3140 df-rex 3141 df-reu 3142 df-rmo 3143 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4831 df-br 5058 df-opab 5120 df-mpt 5138 df-id 5453 df-po 5467 df-so 5468 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7103 df-ov 7148 df-oprab 7149 df-mpo 7150 df-er 8278 df-en 8498 df-dom 8499 df-sdom 8500 df-pnf 10665 df-mnf 10666 df-xr 10667 df-ltxr 10668 df-le 10669 df-sub 10860 df-neg 10861 df-div 11286 |
This theorem is referenced by: recdiv 11334 reclt1 11523 recgt1 11524 halflt1 11843 expneg 13425 m1expcl2 13439 1exp 13446 resqrex 14598 trireciplem 15205 fproddiv 15303 ef0lem 15420 eft0val 15453 m1expaddsub 18555 gzrngunit 20539 cnmsgnsubg 20649 psgninv 20654 vitali 24141 advlogexp 25165 logtayllem 25169 efrlim 25474 emcllem2 25501 emcllem7 25506 logexprlim 25728 dchrinvcl 25756 bclbnd 25783 lgseisenlem1 25878 lgseisenlem2 25879 lgsquadlem1 25883 dchrmusum2 25997 dchrvmasum2lem 25999 mulogsum 26035 pntrsumo1 26068 pnt2 26116 pnt 26117 qqh1 31125 faclimlem1 32872 faclim 32875 pellexlem2 39305 elpell1qr2 39347 bccn0 40552 binomcxplemradcnv 40561 mccl 41755 dvnprodlem3 42109 stoweidlem13 42175 stoweidlem42 42204 fourierdlem62 42330 iinhoiicclem 42832 sec0 44787 |
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