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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 11683 | . 2 class 5 | |
2 | c4 11682 | . . 3 class 4 | |
3 | c1 10527 | . . 3 class 1 | |
4 | caddc 10529 | . . 3 class + | |
5 | 2, 3, 4 | co 7135 | . 2 class (4 + 1) |
6 | 1, 5 | wceq 1538 | 1 wff 5 = (4 + 1) |
Colors of variables: wff setvar class |
This definition is referenced by: 5nn 11711 5re 11712 5cn 11713 5pos 11734 5m1e4 11755 4p1e5 11771 3p2e5 11776 4p2e6 11778 4lt5 11802 5p5e10 12157 6p5e11 12159 7p5e12 12163 8p5e13 12169 8p7e15 12171 9p5e14 12176 9p6e15 12177 5t5e25 12189 6t5e30 12193 7t5e35 12198 8t5e40 12204 9t5e45 12211 fldiv4p1lem1div2 13200 ef01bndlem 15529 prm23lt5 16141 5prm 16434 lt6abl 19008 log2ublem3 25534 ppiublem2 25787 bclbnd 25864 bposlem6 25873 bposlem9 25876 lgsdir2lem3 25911 2lgslem3c 25982 2lgsoddprmlem3c 25996 ex-exp 28235 ex-fac 28236 ex-bc 28237 rmydioph 39955 expdiophlem2 39963 stoweidlem13 42655 fmtno5 44074 fmtnofac1 44087 31prm 44114 5odd 44228 sbgoldbo 44305 ackval50 45112 |
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