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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 9181 |
. 2
| |
| 2 | 2re 9191 |
. . 3
| |
| 3 | 1re 8156 |
. . 3
| |
| 4 | 2, 3 | readdcli 8170 |
. 2
|
| 5 | 1, 4 | eqeltri 2302 |
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 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-4 1556 ax-17 1572 ax-ial 1580 ax-ext 2211 ax-1re 8104 ax-addrcl 8107 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-clel 2225 df-2 9180 df-3 9181 |
| This theorem is referenced by: 3cn 9196 4re 9198 3ne0 9216 3ap0 9217 4pos 9218 1lt3 9293 3lt4 9294 2lt4 9295 3lt5 9298 3lt6 9303 2lt6 9304 3lt7 9309 2lt7 9310 3lt8 9316 2lt8 9317 3lt9 9324 2lt9 9325 1le3 9333 8th4div3 9341 halfpm6th 9342 3halfnz 9555 3lt10 9725 2lt10 9726 uzuzle23 9778 uz3m2nn 9780 nn01to3 9824 3rp 9867 fz0to4untppr 10332 expnass 10879 sqrt9 11575 ef01bndlem 12283 sin01bnd 12284 cos2bnd 12287 sin01gt0 12289 cos01gt0 12290 egt2lt3 12307 flodddiv4 12463 starvndxnmulrndx 13193 scandxnmulrndx 13205 vscandxnmulrndx 13210 ipndxnmulrndx 13223 tsetndxnmulrndx 13242 plendxnmulrndx 13256 dsndxnmulrndx 13271 slotsdifunifndx 13281 dveflem 15416 sincosq3sgn 15518 sincosq4sgn 15519 cosq23lt0 15523 coseq0q4123 15524 coseq00topi 15525 coseq0negpitopi 15526 tangtx 15528 sincos6thpi 15532 pigt3 15534 pige3 15535 cos02pilt1 15541 lgsdir2lem1 15723 2lgslem3 15796 ex-fl 16172 ex-gcd 16178 |
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