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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 9254 |
. 2
| |
| 2 | c2 9253 |
. . 3
| |
| 3 | c1 8093 |
. . 3
| |
| 4 | caddc 8095 |
. . 3
| |
| 5 | 2, 3, 4 | co 6028 |
. 2
|
| 6 | 1, 5 | wceq 1398 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: 3re 9276 3pos 9296 3m1e2 9322 2p2e4 9329 2p1e3 9336 3p3e6 9345 4p3e7 9347 5p3e8 9350 6p3e9 9353 3t3e9 9360 3nn 9365 2lt3 9373 7p3e10 9746 7p6e13 9749 8p3e11 9752 8p5e13 9754 9p3e12 9759 9p4e13 9760 4t3e12 9769 5t3e15 9772 6t3e18 9776 7t3e21 9781 8t3e24 9787 9t3e27 9794 nn01to3 9912 fztpval 10380 fz0to3un2pr 10420 fz0to4untppr 10421 fzo0to42pr 10528 cu2 10963 i3 10966 binom3 10982 fac3 11057 ege2le3 12312 ef4p 12335 cos1bnd 12400 3prm 12780 oddprmge3 12787 dveflem 15537 sincosq3sgn 15639 sincosq4sgn 15640 tangtx 15649 sincos6thpi 15653 binom4 15790 lgsdir2lem3 15849 konigsberglem5 16433 |
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