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Mirrors > Home > MPE Home > Th. List > bcp1ctr | Structured version Visualization version Unicode version |
Description: Ratio of two central binomial coefficients. (Contributed by Mario Carneiro, 10-Mar-2014.) |
Ref | Expression |
---|---|
bcp1ctr |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2t1e2 11176 | . . . . . . 7 | |
2 | df-2 11079 | . . . . . . 7 | |
3 | 1, 2 | eqtri 2644 | . . . . . 6 |
4 | 3 | oveq2i 6661 | . . . . 5 |
5 | nn0cn 11302 | . . . . . 6 | |
6 | 2cn 11091 | . . . . . . 7 | |
7 | ax-1cn 9994 | . . . . . . 7 | |
8 | adddi 10025 | . . . . . . 7 | |
9 | 6, 7, 8 | mp3an13 1415 | . . . . . 6 |
10 | 5, 9 | syl 17 | . . . . 5 |
11 | 2nn0 11309 | . . . . . . . 8 | |
12 | nn0mulcl 11329 | . . . . . . . 8 | |
13 | 11, 12 | mpan 706 | . . . . . . 7 |
14 | 13 | nn0cnd 11353 | . . . . . 6 |
15 | addass 10023 | . . . . . . 7 | |
16 | 7, 7, 15 | mp3an23 1416 | . . . . . 6 |
17 | 14, 16 | syl 17 | . . . . 5 |
18 | 4, 10, 17 | 3eqtr4a 2682 | . . . 4 |
19 | 18 | oveq1d 6665 | . . 3 |
20 | peano2nn0 11333 | . . . . 5 | |
21 | 13, 20 | syl 17 | . . . 4 |
22 | nn0p1nn 11332 | . . . . 5 | |
23 | 22 | nnzd 11481 | . . . 4 |
24 | bcpasc 13108 | . . . 4 | |
25 | 21, 23, 24 | syl2anc 693 | . . 3 |
26 | 19, 25 | eqtr4d 2659 | . 2 |
27 | nn0z 11400 | . . . . . . 7 | |
28 | bccl 13109 | . . . . . . 7 | |
29 | 13, 27, 28 | syl2anc 693 | . . . . . 6 |
30 | 29 | nn0cnd 11353 | . . . . 5 |
31 | 2cnd 11093 | . . . . 5 | |
32 | 21 | nn0red 11352 | . . . . . . 7 |
33 | 32, 22 | nndivred 11069 | . . . . . 6 |
34 | 33 | recnd 10068 | . . . . 5 |
35 | 30, 31, 34 | mul12d 10245 | . . . 4 |
36 | 1cnd 10056 | . . . . . . . . . 10 | |
37 | 14, 36, 5 | addsubd 10413 | . . . . . . . . 9 |
38 | 5 | 2timesd 11275 | . . . . . . . . . . . 12 |
39 | 38 | oveq1d 6665 | . . . . . . . . . . 11 |
40 | 5, 5 | pncand 10393 | . . . . . . . . . . 11 |
41 | 39, 40 | eqtrd 2656 | . . . . . . . . . 10 |
42 | 41 | oveq1d 6665 | . . . . . . . . 9 |
43 | 37, 42 | eqtr2d 2657 | . . . . . . . 8 |
44 | 43 | oveq2d 6666 | . . . . . . 7 |
45 | 44 | oveq2d 6666 | . . . . . 6 |
46 | fzctr 12451 | . . . . . . 7 | |
47 | bcp1n 13103 | . . . . . . 7 | |
48 | 46, 47 | syl 17 | . . . . . 6 |
49 | 45, 48 | eqtr4d 2659 | . . . . 5 |
50 | 49 | oveq2d 6666 | . . . 4 |
51 | 35, 50 | eqtrd 2656 | . . 3 |
52 | bccmpl 13096 | . . . . . . 7 | |
53 | 21, 23, 52 | syl2anc 693 | . . . . . 6 |
54 | 38 | oveq1d 6665 | . . . . . . . . . 10 |
55 | 5, 5, 36 | addassd 10062 | . . . . . . . . . 10 |
56 | 54, 55 | eqtrd 2656 | . . . . . . . . 9 |
57 | 56 | oveq1d 6665 | . . . . . . . 8 |
58 | 22 | nncnd 11036 | . . . . . . . . 9 |
59 | 5, 58 | pncand 10393 | . . . . . . . 8 |
60 | 57, 59 | eqtrd 2656 | . . . . . . 7 |
61 | 60 | oveq2d 6666 | . . . . . 6 |
62 | 53, 61 | eqtrd 2656 | . . . . 5 |
63 | pncan 10287 | . . . . . . 7 | |
64 | 5, 7, 63 | sylancl 694 | . . . . . 6 |
65 | 64 | oveq2d 6666 | . . . . 5 |
66 | 62, 65 | oveq12d 6668 | . . . 4 |
67 | bccl 13109 | . . . . . . 7 | |
68 | 21, 27, 67 | syl2anc 693 | . . . . . 6 |
69 | 68 | nn0cnd 11353 | . . . . 5 |
70 | 69 | 2timesd 11275 | . . . 4 |
71 | 66, 70 | eqtr4d 2659 | . . 3 |
72 | 51, 71 | eqtr4d 2659 | . 2 |
73 | 26, 72 | eqtr4d 2659 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wceq 1483 wcel 1990 (class class class)co 6650 cc 9934 cc0 9936 c1 9937 caddc 9939 cmul 9941 cmin 10266 cdiv 10684 c2 11070 cn0 11292 cz 11377 cfz 12326 cbc 13089 |
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-cnex 9992 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-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
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-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 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-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-n0 11293 df-z 11378 df-uz 11688 df-rp 11833 df-fz 12327 df-seq 12802 df-fac 13061 df-bc 13090 |
This theorem is referenced by: bclbnd 25005 |
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