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| Mirrors > Home > MPE Home > Th. List > ex-bc | Structured version Visualization version GIF version | ||
| Description: Example for df-bc 14330. (Contributed by AV, 4-Sep-2021.) |
| Ref | Expression |
|---|---|
| ex-bc | ⊢ (5C3) = ;10 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-5 12297 | . . 3 ⊢ 5 = (4 + 1) | |
| 2 | 1 | oveq1i 7410 | . 2 ⊢ (5C3) = ((4 + 1)C3) |
| 3 | 4bc3eq4 14355 | . . . 4 ⊢ (4C3) = 4 | |
| 4 | 3m1e2 12359 | . . . . . 6 ⊢ (3 − 1) = 2 | |
| 5 | 4 | oveq2i 7411 | . . . . 5 ⊢ (4C(3 − 1)) = (4C2) |
| 6 | 4bc2eq6 14356 | . . . . 5 ⊢ (4C2) = 6 | |
| 7 | 5, 6 | eqtri 2788 | . . . 4 ⊢ (4C(3 − 1)) = 6 |
| 8 | 3, 7 | oveq12i 7412 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = (4 + 6) |
| 9 | 4nn0 12514 | . . . 4 ⊢ 4 ∈ ℕ0 | |
| 10 | 3z 12618 | . . . 4 ⊢ 3 ∈ ℤ | |
| 11 | bcpasc 14348 | . . . 4 ⊢ ((4 ∈ ℕ0 ∧ 3 ∈ ℤ) → ((4C3) + (4C(3 − 1))) = ((4 + 1)C3)) | |
| 12 | 9, 10, 11 | mp2an 704 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = ((4 + 1)C3) |
| 13 | 6cn 12323 | . . . 4 ⊢ 6 ∈ ℂ | |
| 14 | 4cn 12317 | . . . 4 ⊢ 4 ∈ ℂ | |
| 15 | 6p4e10 12779 | . . . 4 ⊢ (6 + 4) = ;10 | |
| 16 | 13, 14, 15 | addcomli 11390 | . . 3 ⊢ (4 + 6) = ;10 |
| 17 | 8, 12, 16 | 3eqtr3i 2796 | . 2 ⊢ ((4 + 1)C3) = ;10 |
| 18 | 2, 17 | eqtri 2788 | 1 ⊢ (5C3) = ;10 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 ∈ wcel 2145 (class class class)co 7400 0cc0 11088 1c1 11089 + caddc 11091 − cmin 11429 2c2 12286 3c3 12287 4c4 12288 5c5 12289 6c6 12290 ℕ0cn0 12495 ℤcz 12582 ;cdc 12702 Ccbc 14329 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4869 df-iun 4954 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-om 7851 df-1st 7974 df-2nd 7975 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-er 8682 df-en 8932 df-dom 8933 df-sdom 8934 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-div 11860 df-nn 12225 df-2 12294 df-3 12295 df-4 12296 df-5 12297 df-6 12298 df-7 12299 df-8 12300 df-9 12301 df-n0 12496 df-z 12583 df-dec 12703 df-uz 12854 df-rp 13008 df-fz 13527 df-seq 14029 df-fac 14301 df-bc 14330 |
| This theorem is referenced by: (None) |
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