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| Mirrors > Home > MPE Home > Th. List > 9p8e17 | Structured version Visualization version GIF version | ||
| Description: 9 + 8 = 17. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 9p8e17 | ⊢ (9 + 8) = ;17 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 9nn0 12523 | . 2 ⊢ 9 ∈ ℕ0 | |
| 2 | 7nn0 12521 | . 2 ⊢ 7 ∈ ℕ0 | |
| 3 | 6nn0 12520 | . 2 ⊢ 6 ∈ ℕ0 | |
| 4 | df-8 12304 | . 2 ⊢ 8 = (7 + 1) | |
| 5 | df-7 12303 | . 2 ⊢ 7 = (6 + 1) | |
| 6 | 9p7e16 12803 | . 2 ⊢ (9 + 7) = ;16 | |
| 7 | 1, 2, 3, 4, 5, 6 | 6p5lem 12781 | 1 ⊢ (9 + 8) = ;17 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 (class class class)co 7410 1c1 11096 + caddc 11098 6c6 12294 7c7 12295 8c8 12296 9c9 12297 ;cdc 12706 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11240 df-mnf 11241 df-ltxr 11243 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 df-9 12305 df-n0 12500 df-dec 12707 |
| This theorem is referenced by: 9p9e18 12805 9t3e27 12834 37prm 17176 317prm 17181 2503lem2 17193 2503lem3 17194 fmtno4nprmfac193 48326 127prm 48351 |
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