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| Mirrors > Home > MPE Home > Th. List > zsscn | Structured version Visualization version GIF version | ||
| Description: The integers are a subset of the complex numbers. (Contributed by NM, 2-Aug-2004.) |
| Ref | Expression |
|---|---|
| zsscn | ⊢ ℤ ⊆ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zcn 12520 | . 2 ⊢ (𝑥 ∈ ℤ → 𝑥 ∈ ℂ) | |
| 2 | 1 | ssriv 3926 | 1 ⊢ ℤ ⊆ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ⊆ wss 3890 ℂcc 11027 ℤcz 12515 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-resscn 11086 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-iota 6448 df-fv 6500 df-ov 7363 df-neg 11371 df-z 12516 |
| This theorem is referenced by: zex 12524 elq 12891 zexpcl 14029 fsumzcl 15688 fprodzcl 15910 zrisefaccl 15976 zfallfaccl 15977 4sqlem11 16917 cygabl 19857 zringbas 21443 zring0 21448 fermltlchr 21519 lmbrf 23235 lmres 23275 sszcld 24793 lmmbrf 25239 iscauf 25257 caucfil 25260 lmclimf 25281 elqaalem3 26298 iaa 26302 aareccl 26303 wilthlem2 27046 wilthlem3 27047 lgsfcl2 27280 2sqlem6 27400 gsumzrsum 33141 znfermltl 33441 zringnm 34118 fsum2dsub 34767 reprsuc 34775 caures 38095 mzpexpmpt 43191 uzmptshftfval 44791 fzsscn 45762 dvnprodlem2 46393 elaa2lem 46679 nthrucw 47332 oddibas 48661 2zrngbas 48730 2zrng0 48732 |
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