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Mirrors > Home > MPE Home > Th. List > 8t6e48 | Structured version Visualization version GIF version |
Description: 8 times 6 equals 48. (Contributed by Mario Carneiro, 19-Apr-2015.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
8t6e48 | ⊢ (8 · 6) = ;48 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 8nn0 12306 | . 2 ⊢ 8 ∈ ℕ0 | |
2 | 5nn0 12303 | . 2 ⊢ 5 ∈ ℕ0 | |
3 | df-6 12090 | . 2 ⊢ 6 = (5 + 1) | |
4 | 8t5e40 12605 | . . 3 ⊢ (8 · 5) = ;40 | |
5 | 4nn0 12302 | . . . 4 ⊢ 4 ∈ ℕ0 | |
6 | 5 | dec0u 12508 | . . 3 ⊢ (;10 · 4) = ;40 |
7 | 4, 6 | eqtr4i 2767 | . 2 ⊢ (8 · 5) = (;10 · 4) |
8 | dfdec10 12490 | . . 3 ⊢ ;48 = ((;10 · 4) + 8) | |
9 | 8 | eqcomi 2745 | . 2 ⊢ ((;10 · 4) + 8) = ;48 |
10 | 1, 2, 3, 7, 9 | 4t3lem 12584 | 1 ⊢ (8 · 6) = ;48 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 (class class class)co 7307 0cc0 10921 1c1 10922 + caddc 10924 · cmul 10926 4c4 12080 5c5 12081 6c6 12082 8c8 12084 ;cdc 12487 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3332 df-rab 3333 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-op 4572 df-uni 4845 df-iun 4933 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-om 7745 df-2nd 7864 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-er 8529 df-en 8765 df-dom 8766 df-sdom 8767 df-pnf 11061 df-mnf 11062 df-ltxr 11064 df-sub 11257 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-5 12089 df-6 12090 df-7 12091 df-8 12092 df-9 12093 df-n0 12284 df-dec 12488 |
This theorem is referenced by: 8t7e56 12607 2exp11 16840 1259lem3 16883 |
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