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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 12505 | . 2 ⊢ 9 ∈ ℕ0 | |
| 2 | 7nn0 12503 | . 2 ⊢ 7 ∈ ℕ0 | |
| 3 | 6nn0 12502 | . 2 ⊢ 6 ∈ ℕ0 | |
| 4 | df-8 12286 | . 2 ⊢ 8 = (7 + 1) | |
| 5 | df-7 12285 | . 2 ⊢ 7 = (6 + 1) | |
| 6 | 9p7e16 12785 | . 2 ⊢ (9 + 7) = ;16 | |
| 7 | 1, 2, 3, 4, 5, 6 | 6p5lem 12763 | 1 ⊢ (9 + 8) = ;17 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1560 (class class class)co 7396 1c1 11074 + caddc 11076 6c6 12276 7c7 12277 8c8 12278 9c9 12279 ;cdc 12688 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-er 8678 df-en 8928 df-dom 8929 df-sdom 8930 df-pnf 11218 df-mnf 11219 df-ltxr 11221 df-nn 12211 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12482 df-dec 12689 |
| This theorem is referenced by: 9p9e18 12787 9t3e27 12816 37prm 17157 317prm 17162 2503lem2 17174 2503lem3 17175 fmtno4nprmfac193 48183 127prm 48208 |
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