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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 12237 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2748 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 (class class class)co 7356 1c1 11030 + caddc 11032 3c3 12228 4c4 12229 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-9 2129 ax-ext 2711 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-ex 1787 df-cleq 2731 df-4 12237 |
| This theorem is referenced by: 7t6e42 12748 8t5e40 12753 9t5e45 12760 fz0to4untppr 13575 fz0to5un2tp 13576 fac4 14234 hash4 14360 hash7g 14439 s4len 14852 bpoly4 16015 2exp16 17052 43prm 17083 83prm 17084 317prm 17087 1259lem2 17093 1259lem3 17094 1259lem4 17095 1259lem5 17096 2503lem1 17098 2503lem2 17099 4001lem1 17102 4001lem2 17103 4001lem4 17105 4001prm 17106 binom4 26832 quartlem1 26839 log2ublem3 26930 log2ub 26931 bclbnd 27261 addsqnreup 27424 tgcgr4 28617 upgr4cycl4dv4e 30273 ex-opab 30520 ex-ind-dvds 30549 evl1deg3 33661 iconstr 33950 cos9thpiminplylem1 33966 fib4 34588 fib5 34589 hgt750lem 34835 hgt750lem2 34836 3lexlogpow5ineq1 42539 3lexlogpow5ineq5 42545 aks4d1p1p5 42560 aks4d1p1 42561 1p3e4 42742 235t711 42782 3cubeslem3l 43135 3cubeslem3r 43136 inductionexd 44599 lhe4.4ex1a 44773 stoweidlem26 46469 stoweidlem34 46477 smfmullem2 47235 2ltceilhalf 47795 fmtno5lem4 48034 fmtno5 48035 fmtno5faclem2 48058 3ndvds4 48073 139prmALT 48074 31prm 48075 m5prm 48076 ppivalnnnprm 48106 11t31e341 48223 2exp340mod341 48224 8exp8mod9 48227 sbgoldbalt 48272 sbgoldbo 48278 nnsum3primesle9 48285 nnsum4primeseven 48291 nnsum4primesevenALTV 48292 gpgprismgr4cycllem10 48595 ackval3 49174 ackval3012 49183 ackval41a 49185 ackval41 49186 ackval42 49187 |
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