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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 12222 | . 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 7368 1c1 11039 + caddc 11041 3c3 12213 4c4 12214 |
| 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 12222 |
| This theorem is referenced by: 7t6e42 12732 8t5e40 12737 9t5e45 12744 fz0to4untppr 13558 fz0to5un2tp 13559 fac4 14216 hash4 14342 hash7g 14421 s4len 14834 bpoly4 15994 2exp16 17030 43prm 17061 83prm 17062 317prm 17065 1259lem2 17071 1259lem3 17072 1259lem4 17073 1259lem5 17074 2503lem1 17076 2503lem2 17077 4001lem1 17080 4001lem2 17081 4001lem4 17083 4001prm 17084 binom4 26828 quartlem1 26835 log2ublem3 26926 log2ub 26927 bclbnd 27259 addsqnreup 27422 tgcgr4 28615 upgr4cycl4dv4e 30272 ex-opab 30519 ex-ind-dvds 30548 evl1deg3 33671 iconstr 33944 cos9thpiminplylem1 33960 fib4 34582 fib5 34583 hgt750lem 34829 hgt750lem2 34830 3lexlogpow5ineq1 42424 3lexlogpow5ineq5 42430 aks4d1p1p5 42445 aks4d1p1 42446 1p3e4 42629 235t711 42675 3cubeslem3l 43043 3cubeslem3r 43044 inductionexd 44511 lhe4.4ex1a 44685 stoweidlem26 46384 stoweidlem34 46392 smfmullem2 47150 2ltceilhalf 47688 fmtno5lem4 47916 fmtno5 47917 fmtno5faclem2 47940 3ndvds4 47955 139prmALT 47956 31prm 47957 m5prm 47958 11t31e341 48092 2exp340mod341 48093 8exp8mod9 48096 sbgoldbalt 48141 sbgoldbo 48147 nnsum3primesle9 48154 nnsum4primeseven 48160 nnsum4primesevenALTV 48161 gpgprismgr4cycllem10 48464 ackval3 49043 ackval3012 49052 ackval41a 49054 ackval41 49055 ackval42 49056 |
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