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| Mirrors > Home > MPE Home > Th. List > 8t4e32 | Structured version Visualization version GIF version | ||
| Description: 8 times 4 equals 32. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 8t4e32 | ⊢ (8 · 4) = ;32 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 12490 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 3nn0 12485 | . 2 ⊢ 3 ∈ ℕ0 | |
| 3 | df-4 12268 | . 2 ⊢ 4 = (3 + 1) | |
| 4 | 8t3e24 12795 | . 2 ⊢ (8 · 3) = ;24 | |
| 5 | 2nn0 12484 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 6 | 4nn0 12486 | . . 3 ⊢ 4 ∈ ℕ0 | |
| 7 | eqid 2752 | . . 3 ⊢ ;24 = ;24 | |
| 8 | 2p1e3 12345 | . . 3 ⊢ (2 + 1) = 3 | |
| 9 | 1 | nn0cni 12479 | . . . 4 ⊢ 8 ∈ ℂ |
| 10 | 6 | nn0cni 12479 | . . . 4 ⊢ 4 ∈ ℂ |
| 11 | 8p4e12 12761 | . . . 4 ⊢ (8 + 4) = ;12 | |
| 12 | 9, 10, 11 | addcomli 11361 | . . 3 ⊢ (4 + 8) = ;12 |
| 13 | 5, 6, 1, 7, 8, 5, 12 | decaddci 12740 | . 2 ⊢ (;24 + 8) = ;32 |
| 14 | 1, 2, 3, 4, 13 | 4t3lem 12776 | 1 ⊢ (8 · 4) = ;32 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1550 (class class class)co 7381 1c1 11060 · cmul 11064 2c2 12258 3c3 12259 4c4 12260 8c8 12264 ;cdc 12674 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-pnf 11204 df-mnf 11205 df-ltxr 11207 df-sub 11402 df-nn 12197 df-2 12266 df-3 12267 df-4 12268 df-5 12269 df-6 12270 df-7 12271 df-8 12272 df-9 12273 df-n0 12468 df-dec 12675 |
| This theorem is referenced by: 8t5e40 12797 2exp5 17093 1259lem5 17143 4001lem1 17149 pntlemf 27635 |
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