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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 9343 |
. 2
| |
| 2 | 2re 9353 |
. . 3
| |
| 3 | 1re 8315 |
. . 3
| |
| 4 | 2, 3 | readdcli 8329 |
. 2
|
| 5 | 1, 4 | eqeltri 2311 |
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 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-17 1579 ax-ial 1587 ax-ext 2220 ax-1re 8263 ax-addrcl 8266 |
| This theorem depends on definitions: df-bi 117 df-cleq 2231 df-clel 2234 df-2 9342 df-3 9343 |
| This theorem is referenced by: 3cn 9358 4re 9360 3ne0 9378 3ap0 9379 4pos 9380 1lt3 9455 3lt4 9456 2lt4 9457 3lt5 9460 3lt6 9465 2lt6 9466 3lt7 9471 2lt7 9472 3lt8 9478 2lt8 9479 3lt9 9486 2lt9 9487 1le3 9495 8th4div3 9503 halfpm6th 9504 3halfnz 9722 3lt10 9892 2lt10 9893 5eluz3 9940 uzuzle23 9941 uzuzle34 9943 uz3m2nn 9952 nn01to3 9996 3rp 10039 fz0to4untppr 10509 expnass 11060 sqrt9 11792 ef01bndlem 12501 sin01bnd 12502 cos2bnd 12505 sin01gt0 12507 cos01gt0 12508 egt2lt3 12525 flodddiv4 12681 starvndxnmulrndx 13475 scandxnmulrndx 13487 vscandxnmulrndx 13492 ipndxnmulrndx 13505 tsetndxnmulrndx 13524 plendxnmulrndx 13538 dsndxnmulrndx 13553 slotsdifunifndx 13563 dveflem 15750 sincosq3sgn 15852 sincosq4sgn 15853 cosq23lt0 15857 coseq0q4123 15858 coseq00topi 15859 coseq0negpitopi 15860 tangtx 15862 sincos6thpi 15866 pigt3 15868 pige3 15869 cos02pilt1 15875 lgsdir2lem1 16061 2lgslem3 16134 konigsbergiedgwen 16639 konigsberglem1 16643 konigsberglem2 16644 konigsberglem3 16645 konigsberglem4 16646 ex-fl 16653 ex-gcd 16659 |
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