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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 9088 |
. 2
| |
| 2 | c2 9087 |
. . 3
| |
| 3 | c1 7926 |
. . 3
| |
| 4 | caddc 7928 |
. . 3
| |
| 5 | 2, 3, 4 | co 5944 |
. 2
|
| 6 | 1, 5 | wceq 1373 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: 3re 9110 3pos 9130 3m1e2 9156 2p2e4 9163 2p1e3 9170 3p3e6 9179 4p3e7 9181 5p3e8 9184 6p3e9 9187 3t3e9 9194 3nn 9199 2lt3 9207 7p3e10 9578 7p6e13 9581 8p3e11 9584 8p5e13 9586 9p3e12 9591 9p4e13 9592 4t3e12 9601 5t3e15 9604 6t3e18 9608 7t3e21 9613 8t3e24 9619 9t3e27 9626 nn01to3 9738 fztpval 10205 fz0to3un2pr 10245 fz0to4untppr 10246 fzo0to42pr 10349 cu2 10783 i3 10786 binom3 10802 fac3 10877 ege2le3 11982 ef4p 12005 cos1bnd 12070 3prm 12450 oddprmge3 12457 dveflem 15198 sincosq3sgn 15300 sincosq4sgn 15301 tangtx 15310 sincos6thpi 15314 binom4 15451 lgsdir2lem3 15507 |
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