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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 12596 | . . 3 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℂ) | |
| 2 | 1 | div1d 11983 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) = 𝐴) |
| 3 | 1nn 12244 | . . 3 ⊢ 1 ∈ ℕ | |
| 4 | znq 12976 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 1 ∈ ℕ) → (𝐴 / 1) ∈ ℚ) | |
| 5 | 3, 4 | mpan2 703 | . 2 ⊢ (𝐴 ∈ ℤ → (𝐴 / 1) ∈ ℚ) |
| 6 | 2, 5 | eqeltrrd 2870 | 1 ⊢ (𝐴 ∈ ℤ → 𝐴 ∈ ℚ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2149 (class class class)co 7411 1c1 11101 / cdiv 11871 ℕcn 12233 ℤcz 12591 ℚcq 12972 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-1st 7986 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-z 12592 df-q 12973 |
| This theorem is referenced by: zssq 12980 qbtwnxr 13226 modirr 13978 qexpcl 14113 qexpclz 14117 zsqrtelqelz 16817 pczpre 16907 pc0 16914 pcrec 16918 pcdvdstr 16936 pcgcd1 16937 pcgcd 16938 pc2dvds 16939 pc11 16940 sylow1lem1 19668 vitalilem1 25736 elqaalem1 26449 elqaalem3 26451 qaa 26453 2irrexpq 26862 zrtelqelz 26889 2logb9irrALT 26929 2irrexpqALT 26931 lgsneg 27451 lgsdilem2 27463 lgsne0 27465 2sq2 27563 qabvle 27755 ostthlem1 27757 ostthlem2 27758 padicabv 27760 ostth2lem2 27764 ostth2 27767 ostth3 27768 znumd 33098 zdend 33099 2sqr3minply 34115 cos9thpiminplylem6 34122 cos9thpiminply 34123 qqhucn 34327 irrdifflemf 37891 irrdiff 37892 qdiff 37893 mblfinlem1 38230 aks4d1p7d1 42773 oexpreposd 43007 rmxypairf1o 43564 rmxycomplete 43570 rmxyadd 43574 rmxy1 43575 mpaaeu 43803 aacllem 50509 |
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