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| Mirrors > Home > ILE Home > Th. List > 4t2e8 | Unicode version | ||
| Description: 4 times 2 equals 8. (Contributed by NM, 2-Aug-2004.) |
| Ref | Expression |
|---|---|
| 4t2e8 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4cn 9149 |
. . 3
| |
| 2 | 1 | times2i 9202 |
. 2
|
| 3 | 4p4e8 9217 |
. 2
| |
| 4 | 2, 3 | eqtri 2228 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2189 ax-resscn 8052 ax-1cn 8053 ax-1re 8054 ax-icn 8055 ax-addcl 8056 ax-addrcl 8057 ax-mulcl 8058 ax-mulcom 8061 ax-addass 8062 ax-mulass 8063 ax-distr 8064 ax-1rid 8067 ax-cnre 8071 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2778 df-un 3178 df-in 3180 df-ss 3187 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-br 4060 df-iota 5251 df-fv 5298 df-ov 5970 df-2 9130 df-3 9131 df-4 9132 df-5 9133 df-6 9134 df-7 9135 df-8 9136 |
| This theorem is referenced by: 8th4div3 9291 4t3e12 9636 sq4e2t8 10819 cu2 10820 sqoddm1div8 10875 cos2bnd 12186 2exp7 12872 2exp8 12873 lgsdir2lem2 15621 2lgslem3a 15685 2lgslem3b 15686 2lgslem3c 15687 2lgslem3d 15688 2lgsoddprmlem2 15698 2lgsoddprmlem3c 15701 2lgsoddprmlem3d 15702 ex-exp 15863 |
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