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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 12320 | . 2 ⊢ 4 = (3 + 1) | |
| 2 | 1 | eqcomi 2774 | 1 ⊢ (3 + 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7419 1c1 11116 + caddc 11118 3c3 12311 4c4 12312 |
| 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 1943 ax-6 2000 ax-7 2041 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-cleq 2757 df-4 12320 |
| This theorem is used by: 7t6e42 12845 8t5e40 12850 9t5e45 12857 fz0to4untppr 13675 fz0to5un2tp 13676 fac4 14335 hash4 14461 hash7g 14541 s4len 14960 bpoly4 16135 2exp16 17172 43prm 17204 83prm 17205 317prm 17208 1259lem2 17214 1259lem3 17215 1259lem4 17216 1259lem5 17217 2503lem1 17219 2503lem2 17220 4001lem1 17223 4001lem2 17224 4001lem4 17226 4001prm 17227 binom4 27066 quartlem1 27073 log2ublem3 27164 log2ub 27165 bclbnd 27495 addsqnreup 27658 tgcgr4 28851 upgr4cycl4dv4e 30607 ex-opab 30854 ex-ind-dvds 30883 evl1deg3 33932 iconstr 34220 cos9thpiminplylem1 34236 fib4 34859 fib5 34860 hgt750lem 35103 hgt750lem2 35104 3lexlogpow5ineq1 42879 3lexlogpow5ineq5 42885 aks4d1p1p5 42900 aks4d1p1 42901 1p3e4 43084 235t711 43124 3cubeslem3l 43475 3cubeslem3r 43476 inductionexd 44939 lhe4.4ex1a 45097 stoweidlem26 46798 stoweidlem34 46806 smfmullem2 47564 2ltceilhalf 48127 fmtno5lem4 48366 fmtno5 48367 fmtno5faclem2 48390 3ndvds4 48405 139prmALT 48406 31prm 48407 m5prm 48408 ppivalnnnprm 48438 11t31e341 48555 2exp340mod341 48556 8exp8mod9 48559 sbgoldbalt 48604 sbgoldbo 48610 nnsum3primesle9 48617 nnsum4primeseven 48623 nnsum4primesevenALTV 48624 gpgprismgr4cycllem10 48927 ackval3 49520 ackval3012 49529 ackval41a 49531 ackval41 49532 ackval42 49533 |
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