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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 9298 |
. 2
| |
| 2 | 3re 9311 |
. . 3
| |
| 3 | 1re 8273 |
. . 3
| |
| 4 | 2, 3 | readdcli 8287 |
. 2
|
| 5 | 1, 4 | eqeltri 2305 |
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 2214 ax-1re 8221 ax-addrcl 8224 |
| This theorem depends on definitions: df-bi 117 df-cleq 2225 df-clel 2228 df-2 9296 df-3 9297 df-4 9298 |
| This theorem is referenced by: 4cn 9315 5re 9316 4ne0 9335 4ap0 9336 5pos 9337 2lt4 9411 1lt4 9412 4lt5 9413 3lt5 9414 2lt5 9415 1lt5 9416 4lt6 9418 3lt6 9419 4lt7 9424 3lt7 9425 4lt8 9431 3lt8 9432 4lt9 9439 3lt9 9440 8th4div3 9457 div4p1lem1div2 9492 4lt10 9844 3lt10 9845 uzuzle24 9895 uzuzle34 9896 eluz4eluz2 9900 fz0to4untppr 10458 fzo0to42pr 10565 fldiv4p1lem1div2 10665 faclbnd2 11104 4bc2eq6 11137 resqrexlemover 11695 resqrexlemcalc1 11699 resqrexlemcalc2 11700 resqrexlemcalc3 11701 resqrexlemnm 11703 resqrexlemga 11708 sqrt2gt1lt2 11734 amgm2 11803 ef01bndlem 12442 sin01bnd 12443 cos01bnd 12444 cos2bnd 12446 flodddiv4 12622 4sqlem12 13100 tsetndxnstarvndx 13407 slotsdifplendx 13423 slotsdifdsndx 13438 slotsdifunifndx 13445 dveflem 15591 sin0pilem2 15647 sinhalfpilem 15656 sincosq1lem 15690 coseq0negpitopi 15701 tangtx 15703 sincos4thpi 15705 pigt3 15709 gausslemma2dlem0d 15925 gausslemma2dlem3 15936 gausslemma2dlem4 15937 |
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