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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 12267 | . 2 class 5 | |
2 | c4 12266 | . . 3 class 4 | |
3 | c1 11108 | . . 3 class 1 | |
4 | caddc 11110 | . . 3 class + | |
5 | 2, 3, 4 | co 7406 | . 2 class (4 + 1) |
6 | 1, 5 | wceq 1542 | 1 wff 5 = (4 + 1) |
Colors of variables: wff setvar class |
This definition is referenced by: 5nn 12295 5re 12296 5cn 12297 5pos 12318 5m1e4 12339 4p1e5 12355 3p2e5 12360 4p2e6 12362 4lt5 12386 5p5e10 12745 6p5e11 12747 7p5e12 12751 8p5e13 12757 8p7e15 12759 9p5e14 12764 9p6e15 12765 5t5e25 12777 6t5e30 12781 7t5e35 12786 8t5e40 12792 9t5e45 12799 fldiv4p1lem1div2 13797 ef01bndlem 16124 prm23lt5 16744 5prm 17039 lt6abl 19758 log2ublem3 26443 ppiublem2 26696 bclbnd 26773 bposlem6 26782 bposlem9 26785 lgsdir2lem3 26820 2lgslem3c 26891 2lgsoddprmlem3c 26905 ex-exp 29693 ex-fac 29694 ex-bc 29695 3lexlogpow5ineq5 40914 aks4d1p1p7 40928 rmydioph 41739 expdiophlem2 41747 stoweidlem13 44716 fmtno5 46212 fmtnofac1 46225 31prm 46252 5odd 46365 sbgoldbo 46442 ackval50 47338 |
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