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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 12574 | . . 3 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
| 2 | 1 | div1d 11960 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) = 𝐴) |
| 3 | 1nn 12222 | . . 3 ⊢ 1 ∈ ℕ | |
| 4 | znq 12954 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 1 ∈ ℕ) → (𝐴 / 1) ∈ ℚ) | |
| 5 | 3, 4 | mpan2 701 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) ∈ ℚ) |
| 6 | 2, 5 | eqeltrrd 2864 | 1 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℚ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 (class class class)co 7397 1c1 11075 / cdiv 11845 ℕcn 12211 ℤcz 12569 ℚcq 12950 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7719 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 ax-pre-mulgt0 11151 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6289 df-ord 6350 df-on 6351 df-lim 6352 df-suc 6353 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-riota 7354 df-ov 7400 df-oprab 7401 df-mpo 7402 df-om 7848 df-1st 7971 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8382 df-er 8679 df-en 8929 df-dom 8930 df-sdom 8931 df-pnf 11219 df-mnf 11220 df-xr 11221 df-ltxr 11222 df-le 11223 df-sub 11417 df-neg 11418 df-div 11846 df-nn 12212 df-z 12570 df-q 12951 |
| This theorem is referenced by: zssq 12958 qbtwnxr 13204 modirr 13956 qexpcl 14091 qexpclz 14095 zsqrtelqelz 16794 pczpre 16884 pc0 16891 pcrec 16895 pcdvdstr 16913 pcgcd1 16914 pcgcd 16915 pc2dvds 16916 pc11 16917 sylow1lem1 19639 vitalilem1 25671 elqaalem1 26384 elqaalem3 26386 qaa 26388 2irrexpq 26797 zrtelqelz 26824 2logb9irrALT 26864 2irrexpqALT 26866 lgsneg 27386 lgsdilem2 27398 lgsne0 27400 2sq2 27498 qabvle 27690 ostthlem1 27692 ostthlem2 27693 padicabv 27695 ostth2lem2 27699 ostth2 27702 ostth3 27703 znumd 33016 zdend 33017 2sqr3minply 34078 cos9thpiminplylem6 34085 cos9thpiminply 34086 qqhucn 34290 irrdifflemf 37818 irrdiff 37819 qdiff 37820 mblfinlem1 38157 aks4d1p7d1 42700 oexpreposd 42932 rmxypairf1o 43489 rmxycomplete 43495 rmxyadd 43499 rmxy1 43500 mpaaeu 43728 aacllem 50423 |
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