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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 12240 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2746 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 (class class class)co 7361 1c1 11033 + caddc 11035 3c3 12231 4c4 12232 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-4 12240 |
| This theorem is referenced by: 7t6e42 12751 8t5e40 12756 9t5e45 12763 fz0to4untppr 13578 fz0to5un2tp 13579 fac4 14237 hash4 14363 hash7g 14442 s4len 14855 bpoly4 16018 2exp16 17055 43prm 17086 83prm 17087 317prm 17090 1259lem2 17096 1259lem3 17097 1259lem4 17098 1259lem5 17099 2503lem1 17101 2503lem2 17102 4001lem1 17105 4001lem2 17106 4001lem4 17108 4001prm 17109 binom4 26830 quartlem1 26837 log2ublem3 26928 log2ub 26929 bclbnd 27260 addsqnreup 27423 tgcgr4 28616 upgr4cycl4dv4e 30273 ex-opab 30520 ex-ind-dvds 30549 evl1deg3 33656 iconstr 33929 cos9thpiminplylem1 33945 fib4 34567 fib5 34568 hgt750lem 34814 hgt750lem2 34815 3lexlogpow5ineq1 42510 3lexlogpow5ineq5 42516 aks4d1p1p5 42531 aks4d1p1 42532 1p3e4 42714 235t711 42754 3cubeslem3l 43135 3cubeslem3r 43136 inductionexd 44603 lhe4.4ex1a 44777 stoweidlem26 46475 stoweidlem34 46483 smfmullem2 47241 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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