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| Mirrors > Home > MPE Home > Th. List > 8p4e12 | Structured version Visualization version GIF version | ||
| Description: 8 + 4 = 12. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 8p4e12 | ⊢ (8 + 4) = ;12 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 12422 | . 2 ⊢ 8 ∈ ℕ0 | |
| 2 | 3nn0 12417 | . 2 ⊢ 3 ∈ ℕ0 | |
| 3 | 1nn0 12415 | . 2 ⊢ 1 ∈ ℕ0 | |
| 4 | df-4 12208 | . 2 ⊢ 4 = (3 + 1) | |
| 5 | df-2 12206 | . 2 ⊢ 2 = (1 + 1) | |
| 6 | 8p3e11 12686 | . 2 ⊢ (8 + 3) = ;11 | |
| 7 | 1, 2, 3, 4, 5, 6 | 6p5lem 12675 | 1 ⊢ (8 + 4) = ;12 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 (class class class)co 7356 1c1 11025 + caddc 11027 2c2 12198 3c3 12199 4c4 12200 8c8 12204 ;cdc 12605 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7359 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-pnf 11166 df-mnf 11167 df-ltxr 11169 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-n0 12400 df-dec 12606 |
| This theorem is referenced by: 8p5e13 12688 4t3e12 12703 8t4e32 12722 1259lem3 17058 1259lem4 17059 1259lem5 17060 2503lem1 17062 2503lem2 17063 4001lem4 17069 log2ub 26913 3exp7 42246 fmtno5fac 47770 nnsum4primesevenALTV 47989 |
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