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| Mirrors > Home > ILE Home > Th. List > 3re | Unicode version | ||
| Description: The number 3 is real. (Contributed by NM, 27-May-1999.) |
| Ref | Expression |
|---|---|
| 3re |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-3 9203 |
. 2
| |
| 2 | 2re 9213 |
. . 3
| |
| 3 | 1re 8178 |
. . 3
| |
| 4 | 2, 3 | readdcli 8192 |
. 2
|
| 5 | 1, 4 | eqeltri 2304 |
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 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-4 1558 ax-17 1574 ax-ial 1582 ax-ext 2213 ax-1re 8126 ax-addrcl 8129 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-clel 2227 df-2 9202 df-3 9203 |
| This theorem is referenced by: 3cn 9218 4re 9220 3ne0 9238 3ap0 9239 4pos 9240 1lt3 9315 3lt4 9316 2lt4 9317 3lt5 9320 3lt6 9325 2lt6 9326 3lt7 9331 2lt7 9332 3lt8 9338 2lt8 9339 3lt9 9346 2lt9 9347 1le3 9355 8th4div3 9363 halfpm6th 9364 3halfnz 9577 3lt10 9747 2lt10 9748 5eluz3 9795 uzuzle23 9796 uzuzle34 9798 uz3m2nn 9807 nn01to3 9851 3rp 9894 fz0to4untppr 10359 expnass 10908 sqrt9 11610 ef01bndlem 12319 sin01bnd 12320 cos2bnd 12323 sin01gt0 12325 cos01gt0 12326 egt2lt3 12343 flodddiv4 12499 starvndxnmulrndx 13229 scandxnmulrndx 13241 vscandxnmulrndx 13246 ipndxnmulrndx 13259 tsetndxnmulrndx 13278 plendxnmulrndx 13292 dsndxnmulrndx 13307 slotsdifunifndx 13317 dveflem 15453 sincosq3sgn 15555 sincosq4sgn 15556 cosq23lt0 15560 coseq0q4123 15561 coseq00topi 15562 coseq0negpitopi 15563 tangtx 15565 sincos6thpi 15569 pigt3 15571 pige3 15572 cos02pilt1 15578 lgsdir2lem1 15760 2lgslem3 15833 ex-fl 16338 ex-gcd 16344 |
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