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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 9116 |
. . 3
| |
| 2 | 1 | times2i 9169 |
. 2
|
| 3 | 4p4e8 9184 |
. 2
| |
| 4 | 2, 3 | eqtri 2226 |
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 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-ext 2187 ax-resscn 8019 ax-1cn 8020 ax-1re 8021 ax-icn 8022 ax-addcl 8023 ax-addrcl 8024 ax-mulcl 8025 ax-mulcom 8028 ax-addass 8029 ax-mulass 8030 ax-distr 8031 ax-1rid 8034 ax-cnre 8038 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-rex 2490 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-sn 3639 df-pr 3640 df-op 3642 df-uni 3851 df-br 4046 df-iota 5233 df-fv 5280 df-ov 5949 df-2 9097 df-3 9098 df-4 9099 df-5 9100 df-6 9101 df-7 9102 df-8 9103 |
| This theorem is referenced by: 8th4div3 9258 4t3e12 9603 sq4e2t8 10784 cu2 10785 sqoddm1div8 10840 cos2bnd 12104 2exp7 12790 2exp8 12791 lgsdir2lem2 15539 2lgslem3a 15603 2lgslem3b 15604 2lgslem3c 15605 2lgslem3d 15606 2lgsoddprmlem2 15616 2lgsoddprmlem3c 15619 2lgsoddprmlem3d 15620 ex-exp 15700 |
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