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Mirrors > Home > MPE Home > Th. List > 4t2e8 | Structured version Visualization version GIF version |
Description: 4 times 2 equals 8. (Contributed by NM, 2-Aug-2004.) |
Ref | Expression |
---|---|
4t2e8 | ⊢ (4 · 2) = 8 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4cn 11710 | . . 3 ⊢ 4 ∈ ℂ | |
2 | 1 | times2i 11764 | . 2 ⊢ (4 · 2) = (4 + 4) |
3 | 4p4e8 11780 | . 2 ⊢ (4 + 4) = 8 | |
4 | 2, 3 | eqtri 2821 | 1 ⊢ (4 · 2) = 8 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 (class class class)co 7135 + caddc 10529 · cmul 10531 2c2 11680 4c4 11682 8c8 11686 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-ext 2770 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-mulcl 10588 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-1rid 10596 ax-cnre 10599 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-ral 3111 df-rex 3112 df-v 3443 df-un 3886 df-in 3888 df-ss 3898 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-iota 6283 df-fv 6332 df-ov 7138 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 |
This theorem is referenced by: 8th4div3 11845 4t3e12 12184 sq4e2t8 13558 cu2 13559 sqoddm1div8 13600 cos2bnd 15533 2exp7 16414 2exp8 16415 8nprm 16437 19prm 16443 139prm 16449 1259lem2 16457 1259lem3 16458 1259lem4 16459 1259lem5 16460 2503lem1 16462 2503lem2 16463 4001lem1 16466 4001lem2 16467 4001lem3 16468 4001lem4 16469 quart1lem 25441 quart1 25442 quartlem1 25443 log2tlbnd 25531 log2ub 25535 bpos1 25867 bposlem8 25875 lgsdir2lem2 25910 2lgslem3a 25980 2lgslem3b 25981 2lgslem3c 25982 2lgslem3d 25983 2lgsoddprmlem2 25993 2lgsoddprmlem3c 25996 2lgsoddprmlem3d 25997 chebbnd1lem2 26054 chebbnd1lem3 26055 pntlemr 26186 ex-exp 28235 420gcd8e4 39294 420lcm8e840 39299 lcmineqlem23 39339 fmtno4prmfac 44089 139prmALT 44113 mod42tp1mod8 44120 3exp4mod41 44134 41prothprm 44137 8even 44231 2exp340mod341 44251 8exp8mod9 44254 |
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