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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 12549 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 5nn0 12546 | . 2 ⊢ 5 ∈ ℕ0 | |
| 3 | df-6 12333 | . 2 ⊢ 6 = (5 + 1) | |
| 4 | 8t5e40 12851 | . . 3 ⊢ (8 · 5) = ;40 | |
| 5 | 4nn0 12545 | . . . 4 ⊢ 4 ∈ ℕ0 | |
| 6 | 5 | dec0u 12754 | . . 3 ⊢ (;10 · 4) = ;40 |
| 7 | 4, 6 | eqtr4i 2768 | . 2 ⊢ (8 · 5) = (;10 · 4) |
| 8 | dfdec10 12736 | . . 3 ⊢ ;48 = ((;10 · 4) + 8) | |
| 9 | 8 | eqcomi 2746 | . 2 ⊢ ((;10 · 4) + 8) = ;48 |
| 10 | 1, 2, 3, 7, 9 | 4t3lem 12830 | 1 ⊢ (8 · 6) = ;48 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 (class class class)co 7431 0cc0 11155 1c1 11156 + caddc 11158 · cmul 11160 4c4 12323 5c5 12324 6c6 12325 8c8 12327 ;cdc 12733 |
| 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 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-er 8745 df-en 8986 df-dom 8987 df-sdom 8988 df-pnf 11297 df-mnf 11298 df-ltxr 11300 df-sub 11494 df-nn 12267 df-2 12329 df-3 12330 df-4 12331 df-5 12332 df-6 12333 df-7 12334 df-8 12335 df-9 12336 df-n0 12527 df-dec 12734 |
| This theorem is referenced by: 8t7e56 12853 2exp11 17127 1259lem3 17170 |
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