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| Mirrors > Home > ILE Home > Th. List > 5cn | Unicode version | ||
| Description: The number 5 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.) | 
| Ref | Expression | 
|---|---|
| 5cn | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 5re 9069 | 
. 2
 | |
| 2 | 1 | recni 8038 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-11 1520 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 ax-resscn 7971 ax-1re 7973 ax-addrcl 7976 | 
| This theorem depends on definitions: df-bi 117 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-in 3163 df-ss 3170 df-2 9049 df-3 9050 df-4 9051 df-5 9052 | 
| This theorem is referenced by: 6m1e5 9113 5p2e7 9137 5p3e8 9138 5p4e9 9139 5p5e10 9527 5t2e10 9556 5recm6rec 9600 ef01bndlem 11921 5ndvds3 12099 5ndvds6 12100 dec5dvds 12581 dec5nprm 12583 2exp11 12605 2exp16 12606 lgsdir2lem1 15269 2lgslem3c 15336 2lgsoddprmlem3d 15351 ex-fac 15374 | 
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