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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 12282 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2771 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1560 (class class class)co 7396 1c1 11074 + caddc 11076 3c3 12273 4c4 12274 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1800 df-cleq 2754 df-4 12282 |
| This theorem is referenced by: 7t6e42 12806 8t5e40 12811 9t5e45 12818 fz0to4untppr 13635 fz0to5un2tp 13636 fac4 14294 hash4 14420 hash7g 14499 s4len 14912 bpoly4 16089 2exp16 17126 43prm 17158 83prm 17159 317prm 17162 1259lem2 17168 1259lem3 17169 1259lem4 17170 1259lem5 17171 2503lem1 17173 2503lem2 17174 4001lem1 17177 4001lem2 17178 4001lem4 17180 4001prm 17181 binom4 26912 quartlem1 26919 log2ublem3 27010 log2ub 27011 bclbnd 27341 addsqnreup 27504 tgcgr4 28697 upgr4cycl4dv4e 30384 ex-opab 30631 ex-ind-dvds 30660 evl1deg3 33771 iconstr 34060 cos9thpiminplylem1 34076 fib4 34698 fib5 34699 hgt750lem 34942 hgt750lem2 34943 3lexlogpow5ineq1 42668 3lexlogpow5ineq5 42674 aks4d1p1p5 42689 aks4d1p1 42690 1p3e4 42871 235t711 42911 3cubeslem3l 43264 3cubeslem3r 43265 inductionexd 44728 lhe4.4ex1a 44902 stoweidlem26 46597 stoweidlem34 46605 smfmullem2 47363 2ltceilhalf 47923 fmtno5lem4 48162 fmtno5 48163 fmtno5faclem2 48186 3ndvds4 48201 139prmALT 48202 31prm 48203 m5prm 48204 ppivalnnnprm 48234 11t31e341 48351 2exp340mod341 48352 8exp8mod9 48355 sbgoldbalt 48400 sbgoldbo 48406 nnsum3primesle9 48413 nnsum4primeseven 48419 nnsum4primesevenALTV 48420 gpgprismgr4cycllem10 48723 ackval3 49302 ackval3012 49311 ackval41a 49313 ackval41 49314 ackval42 49315 |
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