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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 12210 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2745 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7358 1c1 11027 + caddc 11029 3c3 12201 4c4 12202 |
| 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 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-cleq 2728 df-4 12210 |
| This theorem is referenced by: 7t6e42 12720 8t5e40 12725 9t5e45 12732 fz0to4untppr 13546 fz0to5un2tp 13547 fac4 14204 hash4 14330 hash7g 14409 s4len 14822 bpoly4 15982 2exp16 17018 43prm 17049 83prm 17050 317prm 17053 1259lem2 17059 1259lem3 17060 1259lem4 17061 1259lem5 17062 2503lem1 17064 2503lem2 17065 4001lem1 17068 4001lem2 17069 4001lem4 17071 4001prm 17072 binom4 26816 quartlem1 26823 log2ublem3 26914 log2ub 26915 bclbnd 27247 addsqnreup 27410 tgcgr4 28603 upgr4cycl4dv4e 30260 ex-opab 30507 ex-ind-dvds 30536 evl1deg3 33659 iconstr 33923 cos9thpiminplylem1 33939 fib4 34561 fib5 34562 hgt750lem 34808 hgt750lem2 34809 3lexlogpow5ineq1 42308 3lexlogpow5ineq5 42314 aks4d1p1p5 42329 aks4d1p1 42330 1p3e4 42514 235t711 42560 3cubeslem3l 42928 3cubeslem3r 42929 inductionexd 44396 lhe4.4ex1a 44570 stoweidlem26 46270 stoweidlem34 46278 smfmullem2 47036 2ltceilhalf 47574 fmtno5lem4 47802 fmtno5 47803 fmtno5faclem2 47826 3ndvds4 47841 139prmALT 47842 31prm 47843 m5prm 47844 11t31e341 47978 2exp340mod341 47979 8exp8mod9 47982 sbgoldbalt 48027 sbgoldbo 48033 nnsum3primesle9 48040 nnsum4primeseven 48046 nnsum4primesevenALTV 48047 gpgprismgr4cycllem10 48350 ackval3 48929 ackval3012 48938 ackval41a 48940 ackval41 48941 ackval42 48942 |
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