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| Mirrors > Home > ILE Home > Th. List > recni | Unicode version | ||
| Description: A real number is a complex number. (Contributed by NM, 1-Mar-1995.) |
| Ref | Expression |
|---|---|
| recni.1 |
|
| Ref | Expression |
|---|---|
| recni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-resscn 8272 |
. 2
| |
| 2 | recni.1 |
. 2
| |
| 3 | 1, 2 | sselii 3245 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 ax-resscn 8272 |
| This proof depends on definitions: df-bi 117 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-in 3226 df-ss 3233 |
| This theorem is used by: resubcli 8591 ltapii 8966 nncni 9317 2cn 9378 3cn 9382 4cn 9385 5cn 9387 6cn 9389 7cn 9391 8cn 9393 9cn 9395 halfcn 9524 8th4div3 9529 nn0cni 9580 numltc 9812 sqge0i 11078 lt2sqi 11079 le2sqi 11080 sq11i 11081 sqrtmsq2i 11918 0.999... 12307 ef01bndlem 12542 sin4lt0 12553 eirraplem 12563 eirr 12565 egt2lt3 12566 sqrt2irraplemnn 12978 modsubi 13222 picn 15980 sinhalfpilem 15984 cosneghalfpi 15991 sinhalfpip 16013 sinhalfpim 16014 coshalfpip 16015 coshalfpim 16016 sincosq1sgn 16019 sincosq2sgn 16020 sincosq3sgn 16021 sincosq4sgn 16022 cosq23lt0 16026 coseq00topi 16028 sincosq1eq 16032 sincos4thpi 16033 tan4thpi 16034 sincos6thpi 16035 2logb9irrALT 16171 log2tlbndlog2 16181 log2ublem1 16182 birthdaylog2 16189 cht2 16237 chtublem 16256 chtqub 16257 bposlem6 16277 bposlem7 16278 bposlem8 16279 bposlem9 16280 taupi 17290 |
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