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Mirrors > Home > ILE Home > Th. List > 2cnd | GIF version |
Description: 2 is a complex number, deductive form (common case). (Contributed by David A. Wheeler, 8-Dec-2018.) |
Ref | Expression |
---|---|
2cnd | ⊢ (𝜑 → 2 ∈ ℂ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2cn 8791 | . 2 ⊢ 2 ∈ ℂ | |
2 | 1 | a1i 9 | 1 ⊢ (𝜑 → 2 ∈ ℂ) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∈ wcel 1480 ℂcc 7618 2c2 8771 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-resscn 7712 ax-1re 7714 ax-addrcl 7717 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-in 3077 df-ss 3084 df-2 8779 |
This theorem is referenced by: cnm2m1cnm3 8971 xp1d2m1eqxm1d2 8972 nneo 9154 zeo2 9157 2tnp1ge0ge0 10074 flhalf 10075 q2txmodxeq0 10157 mulbinom2 10408 binom3 10409 zesq 10410 sqoddm1div8 10444 cvg1nlemcxze 10754 resqrexlemover 10782 resqrexlemlo 10785 resqrexlemcalc1 10786 resqrexlemnm 10790 amgm2 10890 maxabslemab 10978 maxabslemlub 10979 max0addsup 10991 minabs 11007 bdtri 11011 trirecip 11270 geo2sum 11283 ege2le3 11377 efgt0 11390 tanval3ap 11421 even2n 11571 oddm1even 11572 oddp1even 11573 mulsucdiv2z 11582 ltoddhalfle 11590 m1exp1 11598 nn0enne 11599 flodddiv4 11631 flodddiv4t2lthalf 11634 sqrt2irrlem 11839 sqrt2irr 11840 pw2dvdslemn 11843 pw2dvdseulemle 11845 oddpwdc 11852 sqrt2irraplemnn 11857 oddennn 11905 evenennn 11906 sin0pilem2 12863 cvgcmp2nlemabs 13227 trilpolemisumle 13231 |
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