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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 9162 |
. 2
| |
| 2 | c2 9161 |
. . 3
| |
| 3 | c1 8000 |
. . 3
| |
| 4 | caddc 8002 |
. . 3
| |
| 5 | 2, 3, 4 | co 6001 |
. 2
|
| 6 | 1, 5 | wceq 1395 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: 3re 9184 3pos 9204 3m1e2 9230 2p2e4 9237 2p1e3 9244 3p3e6 9253 4p3e7 9255 5p3e8 9258 6p3e9 9261 3t3e9 9268 3nn 9273 2lt3 9281 7p3e10 9652 7p6e13 9655 8p3e11 9658 8p5e13 9660 9p3e12 9665 9p4e13 9666 4t3e12 9675 5t3e15 9678 6t3e18 9682 7t3e21 9687 8t3e24 9693 9t3e27 9700 nn01to3 9812 fztpval 10279 fz0to3un2pr 10319 fz0to4untppr 10320 fzo0to42pr 10426 cu2 10860 i3 10863 binom3 10879 fac3 10954 ege2le3 12182 ef4p 12205 cos1bnd 12270 3prm 12650 oddprmge3 12657 dveflem 15400 sincosq3sgn 15502 sincosq4sgn 15503 tangtx 15512 sincos6thpi 15516 binom4 15653 lgsdir2lem3 15709 |
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