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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 9280 |
. . 3
| |
| 2 | 1 | times2i 9333 |
. 2
|
| 3 | 4p4e8 9348 |
. 2
| |
| 4 | 2, 3 | eqtri 2252 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-resscn 8184 ax-1cn 8185 ax-1re 8186 ax-icn 8187 ax-addcl 8188 ax-addrcl 8189 ax-mulcl 8190 ax-mulcom 8193 ax-addass 8194 ax-mulass 8195 ax-distr 8196 ax-1rid 8199 ax-cnre 8203 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 df-2 9261 df-3 9262 df-4 9263 df-5 9264 df-6 9265 df-7 9266 df-8 9267 |
| This theorem is referenced by: 8th4div3 9422 4t3e12 9769 sq4e2t8 10962 cu2 10963 sqoddm1div8 11018 cos2bnd 12401 2exp7 13087 2exp8 13088 lgsdir2lem2 15848 2lgslem3a 15912 2lgslem3b 15913 2lgslem3c 15914 2lgslem3d 15915 2lgsoddprmlem2 15925 2lgsoddprmlem3c 15928 2lgsoddprmlem3d 15929 ex-exp 16441 |
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