Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > ex-bc | GIF version |
Description: Example for df-bc 10657. (Contributed by AV, 4-Sep-2021.) |
Ref | Expression |
---|---|
ex-bc | ⊢ (5C3) = ;10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-5 8915 | . . 3 ⊢ 5 = (4 + 1) | |
2 | 1 | oveq1i 5851 | . 2 ⊢ (5C3) = ((4 + 1)C3) |
3 | 4bc3eq4 10682 | . . . 4 ⊢ (4C3) = 4 | |
4 | 3m1e2 8973 | . . . . . 6 ⊢ (3 − 1) = 2 | |
5 | 4 | oveq2i 5852 | . . . . 5 ⊢ (4C(3 − 1)) = (4C2) |
6 | 4bc2eq6 10683 | . . . . 5 ⊢ (4C2) = 6 | |
7 | 5, 6 | eqtri 2186 | . . . 4 ⊢ (4C(3 − 1)) = 6 |
8 | 3, 7 | oveq12i 5853 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = (4 + 6) |
9 | 4nn0 9129 | . . . 4 ⊢ 4 ∈ ℕ0 | |
10 | 3z 9216 | . . . 4 ⊢ 3 ∈ ℤ | |
11 | bcpasc 10675 | . . . 4 ⊢ ((4 ∈ ℕ0 ∧ 3 ∈ ℤ) → ((4C3) + (4C(3 − 1))) = ((4 + 1)C3)) | |
12 | 9, 10, 11 | mp2an 423 | . . 3 ⊢ ((4C3) + (4C(3 − 1))) = ((4 + 1)C3) |
13 | 6cn 8935 | . . . 4 ⊢ 6 ∈ ℂ | |
14 | 4cn 8931 | . . . 4 ⊢ 4 ∈ ℂ | |
15 | 6p4e10 9389 | . . . 4 ⊢ (6 + 4) = ;10 | |
16 | 13, 14, 15 | addcomli 8039 | . . 3 ⊢ (4 + 6) = ;10 |
17 | 8, 12, 16 | 3eqtr3i 2194 | . 2 ⊢ ((4 + 1)C3) = ;10 |
18 | 2, 17 | eqtri 2186 | 1 ⊢ (5C3) = ;10 |
Colors of variables: wff set class |
Syntax hints: = wceq 1343 ∈ wcel 2136 (class class class)co 5841 0cc0 7749 1c1 7750 + caddc 7752 − cmin 8065 2c2 8904 3c3 8905 4c4 8906 5c5 8907 6c6 8908 ℕ0cn0 9110 ℤcz 9187 ;cdc 9318 Ccbc 10656 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4096 ax-sep 4099 ax-nul 4107 ax-pow 4152 ax-pr 4186 ax-un 4410 ax-setind 4513 ax-iinf 4564 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-mulrcl 7848 ax-addcom 7849 ax-mulcom 7850 ax-addass 7851 ax-mulass 7852 ax-distr 7853 ax-i2m1 7854 ax-0lt1 7855 ax-1rid 7856 ax-0id 7857 ax-rnegex 7858 ax-precex 7859 ax-cnre 7860 ax-pre-ltirr 7861 ax-pre-ltwlin 7862 ax-pre-lttrn 7863 ax-pre-apti 7864 ax-pre-ltadd 7865 ax-pre-mulgt0 7866 ax-pre-mulext 7867 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ne 2336 df-nel 2431 df-ral 2448 df-rex 2449 df-reu 2450 df-rmo 2451 df-rab 2452 df-v 2727 df-sbc 2951 df-csb 3045 df-dif 3117 df-un 3119 df-in 3121 df-ss 3128 df-nul 3409 df-if 3520 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-iun 3867 df-br 3982 df-opab 4043 df-mpt 4044 df-tr 4080 df-id 4270 df-po 4273 df-iso 4274 df-iord 4343 df-on 4345 df-ilim 4346 df-suc 4348 df-iom 4567 df-xp 4609 df-rel 4610 df-cnv 4611 df-co 4612 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 df-iota 5152 df-fun 5189 df-fn 5190 df-f 5191 df-f1 5192 df-fo 5193 df-f1o 5194 df-fv 5195 df-riota 5797 df-ov 5844 df-oprab 5845 df-mpo 5846 df-1st 6105 df-2nd 6106 df-recs 6269 df-frec 6355 df-pnf 7931 df-mnf 7932 df-xr 7933 df-ltxr 7934 df-le 7935 df-sub 8067 df-neg 8068 df-reap 8469 df-ap 8476 df-div 8565 df-inn 8854 df-2 8912 df-3 8913 df-4 8914 df-5 8915 df-6 8916 df-7 8917 df-8 8918 df-9 8919 df-n0 9111 df-z 9188 df-dec 9319 df-uz 9463 df-q 9554 df-rp 9586 df-fz 9941 df-seqfrec 10377 df-fac 10635 df-bc 10657 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |