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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 12311 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2771 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7412 1c1 11107 + caddc 11109 3c3 12302 4c4 12303 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-9 2152 ax-ext 2734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-ex 1809 df-cleq 2754 df-4 12311 |
| This theorem is used by: 7t6e42 12835 8t5e40 12840 9t5e45 12847 fz0to4untppr 13665 fz0to5un2tp 13666 fac4 14324 hash4 14450 hash7g 14530 s4len 14943 bpoly4 16119 2exp16 17156 43prm 17188 83prm 17189 317prm 17192 1259lem2 17198 1259lem3 17199 1259lem4 17200 1259lem5 17201 2503lem1 17203 2503lem2 17204 4001lem1 17207 4001lem2 17208 4001lem4 17210 4001prm 17211 binom4 27026 quartlem1 27033 log2ublem3 27124 log2ub 27125 bclbnd 27455 addsqnreup 27618 tgcgr4 28811 upgr4cycl4dv4e 30547 ex-opab 30794 ex-ind-dvds 30823 evl1deg3 33877 iconstr 34165 cos9thpiminplylem1 34181 fib4 34803 fib5 34804 hgt750lem 35047 hgt750lem2 35048 3lexlogpow5ineq1 42849 3lexlogpow5ineq5 42855 aks4d1p1p5 42870 aks4d1p1 42871 1p3e4 43054 235t711 43094 3cubeslem3l 43445 3cubeslem3r 43446 inductionexd 44909 lhe4.4ex1a 45067 stoweidlem26 46768 stoweidlem34 46776 smfmullem2 47534 2ltceilhalf 48097 fmtno5lem4 48336 fmtno5 48337 fmtno5faclem2 48360 3ndvds4 48375 139prmALT 48376 31prm 48377 m5prm 48378 ppivalnnnprm 48408 11t31e341 48525 2exp340mod341 48526 8exp8mod9 48529 sbgoldbalt 48574 sbgoldbo 48580 nnsum3primesle9 48587 nnsum4primeseven 48593 nnsum4primesevenALTV 48594 gpgprismgr4cycllem10 48897 ackval3 49491 ackval3012 49500 ackval41a 49502 ackval41 49503 ackval42 49504 |
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