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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 11723 | . . 3 ⊢ 4 ∈ ℂ | |
2 | 1 | times2i 11777 | . 2 ⊢ (4 · 2) = (4 + 4) |
3 | 4p4e8 11793 | . 2 ⊢ (4 + 4) = 8 | |
4 | 2, 3 | eqtri 2844 | 1 ⊢ (4 · 2) = 8 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7156 + caddc 10540 · cmul 10542 2c2 11693 4c4 11695 8c8 11699 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-mulcl 10599 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-1rid 10607 ax-cnre 10610 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4839 df-br 5067 df-iota 6314 df-fv 6363 df-ov 7159 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 |
This theorem is referenced by: 8th4div3 11858 4t3e12 12197 sq4e2t8 13563 cu2 13564 sqoddm1div8 13605 cos2bnd 15541 2exp8 16423 8nprm 16445 19prm 16451 139prm 16457 1259lem2 16465 1259lem3 16466 1259lem4 16467 1259lem5 16468 2503lem1 16470 2503lem2 16471 4001lem1 16474 4001lem2 16475 4001lem3 16476 4001lem4 16477 quart1lem 25433 quart1 25434 quartlem1 25435 log2tlbnd 25523 log2ub 25527 bpos1 25859 bposlem8 25867 lgsdir2lem2 25902 2lgslem3a 25972 2lgslem3b 25973 2lgslem3c 25974 2lgslem3d 25975 2lgsoddprmlem2 25985 2lgsoddprmlem3c 25988 2lgsoddprmlem3d 25989 chebbnd1lem2 26046 chebbnd1lem3 26047 pntlemr 26178 ex-exp 28229 fmtno4prmfac 43754 139prmALT 43779 2exp7 43782 mod42tp1mod8 43787 3exp4mod41 43801 41prothprm 43804 8even 43898 2exp340mod341 43918 8exp8mod9 43921 |
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