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| Mirrors > Home > MPE Home > Th. List > 9p3e12 | Structured version Visualization version GIF version | ||
| Description: 9 + 3 = 12. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 9p3e12 | ⊢ (9 + 3) = ;12 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 9nn0 12530 | . 2 ⊢ 9 ∈ ℕ0 | |
| 2 | 2nn0 12523 | . 2 ⊢ 2 ∈ ℕ0 | |
| 3 | 1nn0 12522 | . 2 ⊢ 1 ∈ ℕ0 | |
| 4 | df-3 12309 | . 2 ⊢ 3 = (2 + 1) | |
| 5 | df-2 12308 | . 2 ⊢ 2 = (1 + 1) | |
| 6 | 9p2e11 12800 | . 2 ⊢ (9 + 2) = ;11 | |
| 7 | 1, 2, 3, 4, 5, 6 | 6p5lem 12783 | 1 ⊢ (9 + 3) = ;12 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 (class class class)co 7410 1c1 11135 + caddc 11137 2c2 12300 3c3 12301 9c9 12307 ;cdc 12713 |
| 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 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2708 ax-sep 5271 ax-nul 5281 ax-pow 5340 ax-pr 5407 ax-un 7734 ax-resscn 11191 ax-1cn 11192 ax-icn 11193 ax-addcl 11194 ax-addrcl 11195 ax-mulcl 11196 ax-mulrcl 11197 ax-mulcom 11198 ax-addass 11199 ax-mulass 11200 ax-distr 11201 ax-i2m1 11202 ax-1ne0 11203 ax-1rid 11204 ax-rnegex 11205 ax-rrecex 11206 ax-cnre 11207 ax-pre-lttri 11208 ax-pre-lttrn 11209 ax-pre-ltadd 11210 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2810 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-reu 3365 df-rab 3421 df-v 3466 df-sbc 3771 df-csb 3880 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-pss 3951 df-nul 4314 df-if 4506 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4889 df-iun 4974 df-br 5125 df-opab 5187 df-mpt 5207 df-tr 5235 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6295 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 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 7867 df-2nd 7994 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-er 8724 df-en 8965 df-dom 8966 df-sdom 8967 df-pnf 11276 df-mnf 11277 df-ltxr 11279 df-nn 12246 df-2 12308 df-3 12309 df-4 12310 df-5 12311 df-6 12312 df-7 12313 df-8 12314 df-9 12315 df-n0 12507 df-dec 12714 |
| This theorem is referenced by: 9p4e13 12802 9t8e72 12841 1259lem2 17156 1259prm 17160 2503lem2 17162 fmtno5lem4 47537 fmtno4nprmfac193 47555 127prm 47580 ackval3012 48639 |
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