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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 12304 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2778 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 (class class class)co 7411 1c1 11100 + caddc 11102 3c3 12295 4c4 12296 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1807 df-cleq 2761 df-4 12304 |
| This theorem is referenced by: 7t6e42 12828 8t5e40 12833 9t5e45 12840 fz0to4untppr 13657 fz0to5un2tp 13658 fac4 14316 hash4 14442 hash7g 14522 s4len 14935 bpoly4 16112 2exp16 17149 43prm 17181 83prm 17182 317prm 17185 1259lem2 17191 1259lem3 17192 1259lem4 17193 1259lem5 17194 2503lem1 17196 2503lem2 17197 4001lem1 17200 4001lem2 17201 4001lem4 17203 4001prm 17204 binom4 26980 quartlem1 26987 log2ublem3 27078 log2ub 27079 bclbnd 27409 addsqnreup 27572 tgcgr4 28765 upgr4cycl4dv4e 30476 ex-opab 30723 ex-ind-dvds 30752 evl1deg3 33812 iconstr 34100 cos9thpiminplylem1 34116 fib4 34738 fib5 34739 hgt750lem 34982 hgt750lem2 34983 3lexlogpow5ineq1 42710 3lexlogpow5ineq5 42716 aks4d1p1p5 42731 aks4d1p1 42732 1p3e4 42915 235t711 42955 3cubeslem3l 43308 3cubeslem3r 43309 inductionexd 44772 lhe4.4ex1a 44930 stoweidlem26 46631 stoweidlem34 46639 smfmullem2 47397 2ltceilhalf 47957 fmtno5lem4 48196 fmtno5 48197 fmtno5faclem2 48220 3ndvds4 48235 139prmALT 48236 31prm 48237 m5prm 48238 ppivalnnnprm 48268 11t31e341 48385 2exp340mod341 48386 8exp8mod9 48389 sbgoldbalt 48434 sbgoldbo 48440 nnsum3primesle9 48447 nnsum4primeseven 48453 nnsum4primesevenALTV 48454 gpgprismgr4cycllem10 48757 ackval3 49347 ackval3012 49356 ackval41a 49358 ackval41 49359 ackval42 49360 |
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