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Mirrors > Home > MPE Home > Th. List > ex-bc | Structured version Visualization version GIF version |
Description: Example for df-bc 13090. (Contributed by AV, 4-Sep-2021.) |
Ref | Expression |
---|---|
ex-bc | ⊢ (5C3) = ;10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-5 11082 | . . 3 ⊢ 5 = (4 + 1) | |
2 | 1 | oveq1i 6660 | . 2 ⊢ (5C3) = ((4 + 1)C3) |
3 | 4bc3eq4 13115 | . . . 4 ⊢ (4C3) = 4 | |
4 | 3m1e2 11137 | . . . . . 6 ⊢ (3 − 1) = 2 | |
5 | 4 | oveq2i 6661 | . . . . 5 ⊢ (4C(3 − 1)) = (4C2) |
6 | 4bc2eq6 13116 | . . . . 5 ⊢ (4C2) = 6 | |
7 | 5, 6 | eqtri 2644 | . . . 4 ⊢ (4C(3 − 1)) = 6 |
8 | 3, 7 | oveq12i 6662 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = (4 + 6) |
9 | 4nn0 11311 | . . . 4 ⊢ 4 ∈ ℕ0 | |
10 | 3z 11410 | . . . 4 ⊢ 3 ∈ ℤ | |
11 | bcpasc 13108 | . . . 4 ⊢ ((4 ∈ ℕ0 ∧ 3 ∈ ℤ) → ((4C3) + (4C(3 − 1))) = ((4 + 1)C3)) | |
12 | 9, 10, 11 | mp2an 708 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = ((4 + 1)C3) |
13 | 6cn 11102 | . . . 4 ⊢ 6 ∈ ℂ | |
14 | 4cn 11098 | . . . 4 ⊢ 4 ∈ ℂ | |
15 | 6p4e10 11598 | . . . 4 ⊢ (6 + 4) = ;10 | |
16 | 13, 14, 15 | addcomli 10228 | . . 3 ⊢ (4 + 6) = ;10 |
17 | 8, 12, 16 | 3eqtr3i 2652 | . 2 ⊢ ((4 + 1)C3) = ;10 |
18 | 2, 17 | eqtri 2644 | 1 ⊢ (5C3) = ;10 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1483 ∈ wcel 1990 (class class class)co 6650 0cc0 9936 1c1 9937 + caddc 9939 − cmin 10266 2c2 11070 3c3 11071 4c4 11072 5c5 11073 6c6 11074 ℕ0cn0 11292 ℤcz 11377 ;cdc 11493 Ccbc 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-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-z 11378 df-dec 11494 df-uz 11688 df-rp 11833 df-fz 12327 df-seq 12802 df-fac 13061 df-bc 13090 |
This theorem is referenced by: (None) |
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