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Mirrors > Home > MPE Home > Th. List > df-5 | Structured version Visualization version GIF version |
Description: Define the number 5. (Contributed by NM, 27-May-1999.) |
Ref | Expression |
---|---|
df-5 | ⊢ 5 = (4 + 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c5 12321 | . 2 class 5 | |
2 | c4 12320 | . . 3 class 4 | |
3 | c1 11153 | . . 3 class 1 | |
4 | caddc 11155 | . . 3 class + | |
5 | 2, 3, 4 | co 7430 | . 2 class (4 + 1) |
6 | 1, 5 | wceq 1536 | 1 wff 5 = (4 + 1) |
Colors of variables: wff setvar class |
This definition is referenced by: 5nn 12349 5re 12350 5cn 12351 5pos 12372 5m1e4 12393 4p1e5 12409 3p2e5 12414 4p2e6 12416 4lt5 12440 5p5e10 12801 6p5e11 12803 7p5e12 12807 8p5e13 12813 8p7e15 12815 9p5e14 12820 9p6e15 12821 5t5e25 12833 6t5e30 12837 7t5e35 12842 8t5e40 12848 9t5e45 12855 fldiv4p1lem1div2 13871 ef01bndlem 16216 prm23lt5 16847 5prm 17142 lt6abl 19927 log2ublem3 27005 ppiublem2 27261 bclbnd 27338 bposlem6 27347 bposlem9 27350 lgsdir2lem3 27385 2lgslem3c 27456 2lgsoddprmlem3c 27470 ex-exp 30478 ex-fac 30479 ex-bc 30480 3lexlogpow5ineq5 42041 aks4d1p1p7 42055 rmydioph 43002 expdiophlem2 43010 stoweidlem13 45968 fmtno5 47481 fmtnofac1 47494 31prm 47521 5odd 47634 sbgoldbo 47711 ackval50 48547 |
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