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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 12447 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2772 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7451 1c1 11240 + caddc 11242 3c3 12438 4c4 12439 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-cleq 2755 df-4 12447 |
| This theorem is used by: 7t6e42 12972 8t5e40 12977 9t5e45 12984 fz0to4untppr 13804 fz0to5un2tp 13805 fac4 14466 hash4 14592 hash7g 14672 s4len 15093 bpoly4 16269 2exp16 17312 43prm 17344 83prm 17345 317prm 17348 1259lem2 17354 1259lem3 17355 1259lem4 17356 1259lem5 17357 2503lem1 17359 2503lem2 17360 4001lem1 17363 4001lem2 17364 4001lem4 17366 4001prm 17367 binom4 27235 quartlem1 27242 log2ublem3 27333 log2ub 27334 bclbnd 27664 addsqnreup 27827 tgcgr4 29051 upgr4cycl4dv4e 30843 ex-opab 31090 ex-ind-dvds 31119 evl1deg3 34213 iconstr 34509 cos9thpiminplylem1 34525 fib4 35147 fib5 35148 hgt750lem 35391 hgt750lem2 35392 3lexlogpow5ineq1 43370 3lexlogpow5ineq5 43376 aks4d1p1p5 43391 aks4d1p1 43392 1p3e4 43576 235t711 43628 3cubeslem3l 43962 3cubeslem3r 43963 inductionexd 45416 lhe4.4ex1a 45574 stoweidlem26 47309 stoweidlem34 47317 smfmullem2 48075 2ltceilhalf 48675 fmtno5lem4 48914 fmtno5 48915 fmtno5faclem2 48938 3ndvds4 48953 139prmALT 48954 31prm 48955 m5prm 48956 ppivalnnnprm 48986 11t31e341 49103 2exp340mod341 49104 8exp8mod9 49107 sbgoldbalt 49152 sbgoldbo 49158 nnsum3primesle9 49165 nnsum4primeseven 49171 nnsum4primesevenALTV 49172 gpgprismgr4cycllem10 49475 ackval3 50126 ackval3012 50135 ackval41a 50137 ackval41 50138 ackval42 50139 veronesevrowd 51407 veroquadgsumlem 51411 |
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