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Mirrors > Home > MPE Home > Th. List > zq | Structured version Visualization version GIF version |
Description: An integer is a rational number. (Contributed by NM, 9-Jan-2002.) (Proof shortened by Steven Nguyen, 23-Mar-2023.) |
Ref | Expression |
---|---|
zq | ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℚ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zcn 12513 | . . 3 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
2 | 1 | div1d 11932 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) = 𝐴) |
3 | 1nn 12173 | . . 3 ⊢ 1 ∈ ℕ | |
4 | znq 12886 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 1 ∈ ℕ) → (𝐴 / 1) ∈ ℚ) | |
5 | 3, 4 | mpan2 689 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) ∈ ℚ) |
6 | 2, 5 | eqeltrrd 2833 | 1 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℚ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 (class class class)co 7362 1c1 11061 / cdiv 11821 ℕcn 12162 ℤcz 12508 ℚcq 12882 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-resscn 11117 ax-1cn 11118 ax-icn 11119 ax-addcl 11120 ax-addrcl 11121 ax-mulcl 11122 ax-mulrcl 11123 ax-mulcom 11124 ax-addass 11125 ax-mulass 11126 ax-distr 11127 ax-i2m1 11128 ax-1ne0 11129 ax-1rid 11130 ax-rnegex 11131 ax-rrecex 11132 ax-cnre 11133 ax-pre-lttri 11134 ax-pre-lttrn 11135 ax-pre-ltadd 11136 ax-pre-mulgt0 11137 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3932 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-iun 4961 df-br 5111 df-opab 5173 df-mpt 5194 df-tr 5228 df-id 5536 df-eprel 5542 df-po 5550 df-so 5551 df-fr 5593 df-we 5595 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-pred 6258 df-ord 6325 df-on 6326 df-lim 6327 df-suc 6328 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-riota 7318 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7808 df-1st 7926 df-2nd 7927 df-frecs 8217 df-wrecs 8248 df-recs 8322 df-rdg 8361 df-er 8655 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11200 df-mnf 11201 df-xr 11202 df-ltxr 11203 df-le 11204 df-sub 11396 df-neg 11397 df-div 11822 df-nn 12163 df-z 12509 df-q 12883 |
This theorem is referenced by: zssq 12890 qbtwnxr 13129 modirr 13857 qexpcl 13993 qexpclz 13997 zsqrtelqelz 16644 pczpre 16730 pc0 16737 pcrec 16741 pcdvdstr 16759 pcgcd1 16760 pcgcd 16761 pc2dvds 16762 pc11 16763 sylow1lem1 19394 vitalilem1 25009 elqaalem1 25716 elqaalem3 25718 qaa 25720 2irrexpq 26122 2logb9irrALT 26185 2irrexpqALT 26187 lgsneg 26706 lgsdilem2 26718 lgsne0 26720 2sq2 26818 qabvle 27010 ostthlem1 27012 ostthlem2 27013 padicabv 27015 ostth2lem2 27019 ostth2 27022 ostth3 27023 qqhucn 32662 irrdifflemf 35869 irrdiff 35870 mblfinlem1 36188 aks4d1p7d1 40612 oexpreposd 40865 zrtelqelz 40889 rmxypairf1o 41293 rmxycomplete 41299 rmxyadd 41303 rmxy1 41304 mpaaeu 41535 aacllem 47368 |
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