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Mirrors > Home > MPE Home > Th. List > 8p2e10 | Structured version Visualization version GIF version |
Description: 8 + 2 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu, 7-Apr-2020.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
8p2e10 | ⊢ (8 + 2) = ;10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-2 12036 | . . . 4 ⊢ 2 = (1 + 1) | |
2 | 1 | oveq2i 7286 | . . 3 ⊢ (8 + 2) = (8 + (1 + 1)) |
3 | 8cn 12070 | . . . 4 ⊢ 8 ∈ ℂ | |
4 | ax-1cn 10929 | . . . 4 ⊢ 1 ∈ ℂ | |
5 | 3, 4, 4 | addassi 10985 | . . 3 ⊢ ((8 + 1) + 1) = (8 + (1 + 1)) |
6 | 2, 5 | eqtr4i 2769 | . 2 ⊢ (8 + 2) = ((8 + 1) + 1) |
7 | df-9 12043 | . . 3 ⊢ 9 = (8 + 1) | |
8 | 7 | oveq1i 7285 | . 2 ⊢ (9 + 1) = ((8 + 1) + 1) |
9 | 9p1e10 12439 | . 2 ⊢ (9 + 1) = ;10 | |
10 | 6, 8, 9 | 3eqtr2i 2772 | 1 ⊢ (8 + 2) = ;10 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 (class class class)co 7275 0cc0 10871 1c1 10872 + caddc 10874 2c2 12028 8c8 12034 9c9 12035 ;cdc 12437 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-ov 7278 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-ltxr 11014 df-nn 11974 df-2 12036 df-3 12037 df-4 12038 df-5 12039 df-6 12040 df-7 12041 df-8 12042 df-9 12043 df-dec 12438 |
This theorem is referenced by: 8p3e11 12518 8t5e40 12555 1259lem3 16834 1259lem4 16835 2503lem2 16839 4001lem1 16842 4001lem3 16844 4001prm 16846 m11nprm 45053 |
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