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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 12414 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2769 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7424 1c1 11208 + caddc 11210 3c3 12405 4c4 12406 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-cleq 2752 df-4 12414 |
| This theorem is used by: 7t6e42 12939 8t5e40 12944 9t5e45 12951 fz0to4untppr 13771 fz0to5un2tp 13772 fac4 14432 hash4 14558 hash7g 14638 s4len 15059 bpoly4 16234 2exp16 17277 43prm 17309 83prm 17310 317prm 17313 1259lem2 17319 1259lem3 17320 1259lem4 17321 1259lem5 17322 2503lem1 17324 2503lem2 17325 4001lem1 17328 4001lem2 17329 4001lem4 17331 4001prm 17332 binom4 27187 quartlem1 27194 log2ublem3 27285 log2ub 27286 bclbnd 27616 addsqnreup 27779 tgcgr4 29003 upgr4cycl4dv4e 30795 ex-opab 31042 ex-ind-dvds 31071 evl1deg3 34160 iconstr 34448 cos9thpiminplylem1 34464 fib4 35086 fib5 35087 hgt750lem 35330 hgt750lem2 35331 3lexlogpow5ineq1 43213 3lexlogpow5ineq5 43219 aks4d1p1p5 43234 aks4d1p1 43235 1p3e4 43419 235t711 43471 3cubeslem3l 43805 3cubeslem3r 43806 inductionexd 45264 lhe4.4ex1a 45422 stoweidlem26 47144 stoweidlem34 47152 smfmullem2 47910 2ltceilhalf 48510 fmtno5lem4 48749 fmtno5 48750 fmtno5faclem2 48773 3ndvds4 48788 139prmALT 48789 31prm 48790 m5prm 48791 ppivalnnnprm 48821 11t31e341 48938 2exp340mod341 48939 8exp8mod9 48942 sbgoldbalt 48987 sbgoldbo 48993 nnsum3primesle9 49000 nnsum4primeseven 49006 nnsum4primesevenALTV 49007 gpgprismgr4cycllem10 49310 ackval3 49903 ackval3012 49912 ackval41a 49914 ackval41 49915 ackval42 49916 veronesevrowd 51162 veroquadgsumlem 51166 |
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