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| Mirrors > Home > ILE Home > Th. List > 4re | Unicode version | ||
| Description: The number 4 is real. (Contributed by NM, 27-May-1999.) |
| Ref | Expression |
|---|---|
| 4re |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-4 9263 |
. 2
| |
| 2 | 3re 9276 |
. . 3
| |
| 3 | 1re 8238 |
. . 3
| |
| 4 | 2, 3 | readdcli 8252 |
. 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 ax-ext 2213 ax-1re 8186 ax-addrcl 8189 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-clel 2227 df-2 9261 df-3 9262 df-4 9263 |
| This theorem is referenced by: 4cn 9280 5re 9281 4ne0 9300 4ap0 9301 5pos 9302 2lt4 9376 1lt4 9377 4lt5 9378 3lt5 9379 2lt5 9380 1lt5 9381 4lt6 9383 3lt6 9384 4lt7 9389 3lt7 9390 4lt8 9396 3lt8 9397 4lt9 9404 3lt9 9405 8th4div3 9422 div4p1lem1div2 9457 4lt10 9807 3lt10 9808 uzuzle24 9858 uzuzle34 9859 eluz4eluz2 9863 fz0to4untppr 10421 fzo0to42pr 10528 fldiv4p1lem1div2 10628 faclbnd2 11067 4bc2eq6 11099 resqrexlemover 11650 resqrexlemcalc1 11654 resqrexlemcalc2 11655 resqrexlemcalc3 11656 resqrexlemnm 11658 resqrexlemga 11663 sqrt2gt1lt2 11689 amgm2 11758 ef01bndlem 12397 sin01bnd 12398 cos01bnd 12399 cos2bnd 12401 flodddiv4 12577 4sqlem12 13055 tsetndxnstarvndx 13357 slotsdifplendx 13373 slotsdifdsndx 13388 slotsdifunifndx 13395 dveflem 15537 sin0pilem2 15593 sinhalfpilem 15602 sincosq1lem 15636 coseq0negpitopi 15647 tangtx 15649 sincos4thpi 15651 pigt3 15655 gausslemma2dlem0d 15871 gausslemma2dlem3 15882 gausslemma2dlem4 15883 |
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