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Mirrors > Home > MPE Home > Th. List > decsplit0bOLD | Structured version Visualization version GIF version |
Description: Obsolete version of decsplit0b 15784 as of 9-Sep-2021. (Contributed by Mario Carneiro, 16-Jul-2015.) (New usage is discouraged.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
decsplit0OLD.1 | ⊢ 𝐴 ∈ ℕ0 |
Ref | Expression |
---|---|
decsplit0bOLD | ⊢ ((𝐴 · (10↑0)) + 𝐵) = (𝐴 + 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 10nn0OLD 11317 | . . . . 5 ⊢ 10 ∈ ℕ0 | |
2 | 1 | numexp0 15780 | . . . 4 ⊢ (10↑0) = 1 |
3 | 2 | oveq2i 6661 | . . 3 ⊢ (𝐴 · (10↑0)) = (𝐴 · 1) |
4 | decsplit0OLD.1 | . . . . 5 ⊢ 𝐴 ∈ ℕ0 | |
5 | 4 | nn0cni 11304 | . . . 4 ⊢ 𝐴 ∈ ℂ |
6 | 5 | mulid1i 10042 | . . 3 ⊢ (𝐴 · 1) = 𝐴 |
7 | 3, 6 | eqtri 2644 | . 2 ⊢ (𝐴 · (10↑0)) = 𝐴 |
8 | 7 | oveq1i 6660 | 1 ⊢ ((𝐴 · (10↑0)) + 𝐵) = (𝐴 + 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1483 ∈ wcel 1990 (class class class)co 6650 0cc0 9936 1c1 9937 + caddc 9939 · cmul 9941 10c10 11078 ℕ0cn0 11292 ↑cexp 12860 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-10OLD 11087 df-n0 11293 df-z 11378 df-seq 12802 df-exp 12861 |
This theorem is referenced by: decsplit0OLD 15789 |
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