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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 12236 | . 2 class 5 | |
| 2 | c4 12235 | . . 3 class 4 | |
| 3 | c1 11036 | . . 3 class 1 | |
| 4 | caddc 11038 | . . 3 class + | |
| 5 | 2, 3, 4 | co 7364 | . 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 12264 5re 12265 5cn 12266 5pos 12287 5m1e4 12303 4p1e5 12319 3p2e5 12324 4p2e6 12326 4lt5 12350 5p5e10 12712 6p5e11 12714 7p5e12 12718 8p5e13 12724 8p7e15 12726 9p5e14 12731 9p6e15 12732 5t5e25 12744 6t5e30 12748 7t5e35 12753 8t5e40 12759 9t5e45 12766 fldiv4p1lem1div2 13791 ef01bndlem 16148 prm23lt5 16782 5prm 17076 lt6abl 19867 log2ublem3 26909 ppiublem2 27163 bclbnd 27240 bposlem6 27249 bposlem9 27252 lgsdir2lem3 27287 2lgslem3c 27358 2lgsoddprmlem3c 27372 ex-exp 30517 ex-fac 30518 ex-bc 30519 3lexlogpow5ineq5 42496 aks4d1p1p7 42510 rmydioph 43439 expdiophlem2 43447 stoweidlem13 46438 fmtno5 48011 fmtnofac1 48024 31prm 48051 5odd 48177 sbgoldbo 48254 gpgprismgr4cycllem7 48568 gpgprismgr4cycllem9 48570 ackval50 49165 |
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