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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 12400 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2770 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 + caddc 11196 3c3 12391 4c4 12392 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-cleq 2753 df-4 12400 |
| This theorem is used by: 7t6e42 12925 8t5e40 12930 9t5e45 12937 fz0to4untppr 13757 fz0to5un2tp 13758 fac4 14418 hash4 14544 hash7g 14624 s4len 15043 bpoly4 16218 2exp16 17261 43prm 17293 83prm 17294 317prm 17297 1259lem2 17303 1259lem3 17304 1259lem4 17305 1259lem5 17306 2503lem1 17308 2503lem2 17309 4001lem1 17312 4001lem2 17313 4001lem4 17315 4001prm 17316 binom4 27171 quartlem1 27178 log2ublem3 27269 log2ub 27270 bclbnd 27600 addsqnreup 27763 tgcgr4 28987 upgr4cycl4dv4e 30779 ex-opab 31026 ex-ind-dvds 31055 evl1deg3 34103 iconstr 34391 cos9thpiminplylem1 34407 fib4 35029 fib5 35030 hgt750lem 35273 hgt750lem2 35274 3lexlogpow5ineq1 43084 3lexlogpow5ineq5 43090 aks4d1p1p5 43105 aks4d1p1 43106 1p3e4 43290 235t711 43342 3cubeslem3l 43676 3cubeslem3r 43677 inductionexd 45140 lhe4.4ex1a 45298 stoweidlem26 47005 stoweidlem34 47013 smfmullem2 47771 2ltceilhalf 48371 fmtno5lem4 48610 fmtno5 48611 fmtno5faclem2 48634 3ndvds4 48649 139prmALT 48650 31prm 48651 m5prm 48652 ppivalnnnprm 48682 11t31e341 48799 2exp340mod341 48800 8exp8mod9 48803 sbgoldbalt 48848 sbgoldbo 48854 nnsum3primesle9 48861 nnsum4primeseven 48867 nnsum4primesevenALTV 48868 gpgprismgr4cycllem10 49171 ackval3 49764 ackval3012 49773 ackval41a 49775 ackval41 49776 ackval42 49777 veronesevrowd 50948 veroquadgsumlem 50952 |
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