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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 12431 | . 2 ⊢ 3 ∈ ℂ | |
| 2 | 1 | elexi 3472 | 1 ⊢ 3 ∈ V |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 Vcvv 3450 ℂcc 11205 3c3 12405 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 ax-1cn 11265 ax-addcl 11267 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-2 12412 df-3 12413 |
| This theorem is used by: fztpval 13727 funcnvs4 15075 iblcnlem1 26117 basellem9 27425 lgsdir2lem3 27663 axlowdimlem7 29535 axlowdimlem8 29536 axlowdimlem9 29537 axlowdimlem13 29541 3wlkdlem4 30772 3pthdlem1 30774 upgr4cycl4dv4e 30795 konigsberglem4 30865 konigsberglem5 30866 ex-pss 31038 ex-fv 31053 ex-1st 31054 ex-2nd 31055 rabren3dioph 43959 lhe4.4ex1a 45450 nnsum4primesodd 49030 nnsum4primesoddALTV 49031 usgrexmpl1lem 49255 usgrexmpl2lem 49260 usgrexmpl2nb0 49265 usgrexmpl2nb1 49266 usgrexmpl2nb2 49267 usgrexmpl2nb3 49268 usgrexmpl2nb4 49269 usgrexmpl2trifr 49271 zlmodzxzldeplem 49746 |
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