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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 8271 |
. 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 8271 |
| 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 8590 ltapii 8965 nncni 9316 2cn 9377 3cn 9381 4cn 9384 5cn 9386 6cn 9388 7cn 9390 8cn 9392 9cn 9394 halfcn 9523 8th4div3 9528 nn0cni 9579 numltc 9811 sqge0i 11076 lt2sqi 11077 le2sqi 11078 sq11i 11079 sqrtmsq2i 11916 0.999... 12304 ef01bndlem 12539 sin4lt0 12550 eirraplem 12560 eirr 12562 egt2lt3 12563 sqrt2irraplemnn 12975 modsubi 13219 picn 15938 sinhalfpilem 15942 cosneghalfpi 15949 sinhalfpip 15971 sinhalfpim 15972 coshalfpip 15973 coshalfpim 15974 sincosq1sgn 15977 sincosq2sgn 15978 sincosq3sgn 15979 sincosq4sgn 15980 cosq23lt0 15984 coseq00topi 15986 sincosq1eq 15990 sincos4thpi 15991 tan4thpi 15992 sincos6thpi 15993 2logb9irrALT 16129 log2tlbndlog2 16139 log2ublem1 16140 birthdaylog2 16147 taupi 17221 |
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