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| Mirrors > Home > ILE Home > Th. List > df-3 | Unicode version | ||
| Description: Define the number 3. (Contributed by NM, 27-May-1999.) |
| Ref | Expression |
|---|---|
| df-3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | c3 9090 |
. 2
| |
| 2 | c2 9089 |
. . 3
| |
| 3 | c1 7928 |
. . 3
| |
| 4 | caddc 7930 |
. . 3
| |
| 5 | 2, 3, 4 | co 5946 |
. 2
|
| 6 | 1, 5 | wceq 1373 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: 3re 9112 3pos 9132 3m1e2 9158 2p2e4 9165 2p1e3 9172 3p3e6 9181 4p3e7 9183 5p3e8 9186 6p3e9 9189 3t3e9 9196 3nn 9201 2lt3 9209 7p3e10 9580 7p6e13 9583 8p3e11 9586 8p5e13 9588 9p3e12 9593 9p4e13 9594 4t3e12 9603 5t3e15 9606 6t3e18 9610 7t3e21 9615 8t3e24 9621 9t3e27 9628 nn01to3 9740 fztpval 10207 fz0to3un2pr 10247 fz0to4untppr 10248 fzo0to42pr 10351 cu2 10785 i3 10788 binom3 10804 fac3 10879 ege2le3 12015 ef4p 12038 cos1bnd 12103 3prm 12483 oddprmge3 12490 dveflem 15231 sincosq3sgn 15333 sincosq4sgn 15334 tangtx 15343 sincos6thpi 15347 binom4 15484 lgsdir2lem3 15540 |
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