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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 8277 |
. 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 8277 |
| 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 8596 ltapii 8971 nncni 9323 2cn 9384 3cn 9388 4cn 9391 5cn 9393 6cn 9395 7cn 9397 8cn 9399 9cn 9401 halfcn 9530 8th4div3 9535 nn0cni 9586 numltc 9817 sqge0i 11083 lt2sqi 11084 le2sqi 11085 sq11i 11086 sqrtmsq2i 11923 0.999... 12312 ef01bndlem 12547 sin4lt0 12558 eirraplem 12568 eirr 12570 egt2lt3 12571 sqrt2irraplemnn 12983 modsubi 13227 picn 16031 sinhalfpilem 16035 cosneghalfpi 16042 sinhalfpip 16064 sinhalfpim 16065 coshalfpip 16066 coshalfpim 16067 sincosq1sgn 16070 sincosq2sgn 16071 sincosq3sgn 16072 sincosq4sgn 16073 cosq23lt0 16077 coseq00topi 16079 sincosq1eq 16083 sincos4thpi 16084 tan4thpi 16085 sincos6thpi 16086 2logb9irrALT 16227 log2tlbndlog2 16237 log2ublem1 16238 birthdaylog2 16245 cht2 16293 chtublem 16312 chtqub 16313 bposlem6 16333 bposlem7 16334 bposlem8 16335 bposlem9 16336 taupi 17347 |
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