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| Mirrors > Home > MPE Home > Th. List > 3p1e4 | Structured version Visualization version GIF version | ||
| Description: 3 + 1 = 4. (Contributed by Mario Carneiro, 18-Apr-2015.) |
| Ref | Expression |
|---|---|
| 3p1e4 | ⊢ (3 + 1) = 4 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-4 12208 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2743 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 + caddc 11027 3c3 12199 4c4 12200 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2726 df-4 12208 |
| This theorem is referenced by: 7t6e42 12718 8t5e40 12723 9t5e45 12730 fz0to4untppr 13544 fz0to5un2tp 13545 fac4 14202 hash4 14328 hash7g 14407 s4len 14820 bpoly4 15980 2exp16 17016 43prm 17047 83prm 17048 317prm 17051 1259lem2 17057 1259lem3 17058 1259lem4 17059 1259lem5 17060 2503lem1 17062 2503lem2 17063 4001lem1 17066 4001lem2 17067 4001lem4 17069 4001prm 17070 binom4 26814 quartlem1 26821 log2ublem3 26912 log2ub 26913 bclbnd 27245 addsqnreup 27408 tgcgr4 28552 upgr4cycl4dv4e 30209 ex-opab 30456 ex-ind-dvds 30485 evl1deg3 33608 iconstr 33872 cos9thpiminplylem1 33888 fib4 34510 fib5 34511 hgt750lem 34757 hgt750lem2 34758 3lexlogpow5ineq1 42247 3lexlogpow5ineq5 42253 aks4d1p1p5 42268 aks4d1p1 42269 1p3e4 42456 235t711 42502 3cubeslem3l 42870 3cubeslem3r 42871 inductionexd 44338 lhe4.4ex1a 44512 stoweidlem26 46212 stoweidlem34 46220 smfmullem2 46978 2ltceilhalf 47516 fmtno5lem4 47744 fmtno5 47745 fmtno5faclem2 47768 3ndvds4 47783 139prmALT 47784 31prm 47785 m5prm 47786 11t31e341 47920 2exp340mod341 47921 8exp8mod9 47924 sbgoldbalt 47969 sbgoldbo 47975 nnsum3primesle9 47982 nnsum4primeseven 47988 nnsum4primesevenALTV 47989 gpgprismgr4cycllem10 48292 ackval3 48871 ackval3012 48880 ackval41a 48882 ackval41 48883 ackval42 48884 |
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