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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 9188 |
. . 3
| |
| 2 | 1 | times2i 9241 |
. 2
|
| 3 | 4p4e8 9256 |
. 2
| |
| 4 | 2, 3 | eqtri 2250 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-resscn 8091 ax-1cn 8092 ax-1re 8093 ax-icn 8094 ax-addcl 8095 ax-addrcl 8096 ax-mulcl 8097 ax-mulcom 8100 ax-addass 8101 ax-mulass 8102 ax-distr 8103 ax-1rid 8106 ax-cnre 8110 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-iota 5278 df-fv 5326 df-ov 6004 df-2 9169 df-3 9170 df-4 9171 df-5 9172 df-6 9173 df-7 9174 df-8 9175 |
| This theorem is referenced by: 8th4div3 9330 4t3e12 9675 sq4e2t8 10859 cu2 10860 sqoddm1div8 10915 cos2bnd 12271 2exp7 12957 2exp8 12958 lgsdir2lem2 15708 2lgslem3a 15772 2lgslem3b 15773 2lgslem3c 15774 2lgslem3d 15775 2lgsoddprmlem2 15785 2lgsoddprmlem3c 15788 2lgsoddprmlem3d 15789 ex-exp 16091 |
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