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| Mirrors > Home > MPE Home > Th. List > 3ex | Structured version Visualization version GIF version | ||
| Description: The number 3 is a set. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 3ex | ⊢ 3 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3cn 12337 | . 2 ⊢ 3 ∈ ℂ | |
| 2 | 1 | elexi 3479 | 1 ⊢ 3 ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 Vcvv 3457 ℂcc 11113 3c3 12311 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2737 ax-1cn 11173 ax-addcl 11175 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 df-2 12318 df-3 12319 |
| This theorem is used by: fztpval 13631 funcnvs4 14976 iblcnlem1 25998 basellem9 27304 lgsdir2lem3 27542 axlowdimlem7 29353 axlowdimlem8 29354 axlowdimlem9 29355 axlowdimlem13 29359 3wlkdlem4 30584 3pthdlem1 30586 upgr4cycl4dv4e 30607 konigsberglem4 30677 konigsberglem5 30678 ex-pss 30850 ex-fv 30865 ex-1st 30866 ex-2nd 30867 rabren3dioph 43600 lhe4.4ex1a 45097 nnsum4primesodd 48619 nnsum4primesoddALTV 48620 usgrexmpl1lem 48844 usgrexmpl2lem 48849 usgrexmpl2nb0 48854 usgrexmpl2nb1 48855 usgrexmpl2nb2 48856 usgrexmpl2nb3 48857 usgrexmpl2nb4 48858 usgrexmpl2trifr 48860 zlmodzxzldeplem 49335 |
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