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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 9314 |
. 2
| |
| 2 | 2re 9324 |
. . 3
| |
| 3 | 1re 8289 |
. . 3
| |
| 4 | 2, 3 | readdcli 8303 |
. 2
|
| 5 | 1, 4 | eqeltri 2307 |
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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 ax-ext 2216 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-cleq 2227 df-clel 2230 df-2 9313 df-3 9314 |
| This theorem is referenced by: 3cn 9329 4re 9331 3ne0 9349 3ap0 9350 4pos 9351 1lt3 9426 3lt4 9427 2lt4 9428 3lt5 9431 3lt6 9436 2lt6 9437 3lt7 9442 2lt7 9443 3lt8 9449 2lt8 9450 3lt9 9457 2lt9 9458 1le3 9466 8th4div3 9474 halfpm6th 9475 3halfnz 9693 3lt10 9863 2lt10 9864 5eluz3 9911 uzuzle23 9912 uzuzle34 9914 uz3m2nn 9923 nn01to3 9967 3rp 10010 fz0to4untppr 10480 expnass 11031 sqrt9 11758 ef01bndlem 12467 sin01bnd 12468 cos2bnd 12471 sin01gt0 12473 cos01gt0 12474 egt2lt3 12491 flodddiv4 12647 starvndxnmulrndx 13441 scandxnmulrndx 13453 vscandxnmulrndx 13458 ipndxnmulrndx 13471 tsetndxnmulrndx 13490 plendxnmulrndx 13504 dsndxnmulrndx 13519 slotsdifunifndx 13529 dveflem 15717 sincosq3sgn 15819 sincosq4sgn 15820 cosq23lt0 15824 coseq0q4123 15825 coseq00topi 15826 coseq0negpitopi 15827 tangtx 15829 sincos6thpi 15833 pigt3 15835 pige3 15836 cos02pilt1 15842 lgsdir2lem1 16027 2lgslem3 16100 konigsbergiedgwen 16605 konigsberglem1 16609 konigsberglem2 16610 konigsberglem3 16611 konigsberglem4 16612 ex-fl 16619 ex-gcd 16625 |
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