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Mirrors > Home > MPE Home > Th. List > 2lgsoddprmlem3c | Structured version Visualization version GIF version |
Description: Lemma 3 for 2lgsoddprmlem3 25990. (Contributed by AV, 20-Jul-2021.) |
Ref | Expression |
---|---|
2lgsoddprmlem3c | ⊢ (((5↑2) − 1) / 8) = 3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-5 11704 | . . . . . . 7 ⊢ 5 = (4 + 1) | |
2 | 1 | oveq1i 7166 | . . . . . 6 ⊢ (5↑2) = ((4 + 1)↑2) |
3 | 4cn 11723 | . . . . . . 7 ⊢ 4 ∈ ℂ | |
4 | binom21 13581 | . . . . . . 7 ⊢ (4 ∈ ℂ → ((4 + 1)↑2) = (((4↑2) + (2 · 4)) + 1)) | |
5 | 3, 4 | ax-mp 5 | . . . . . 6 ⊢ ((4 + 1)↑2) = (((4↑2) + (2 · 4)) + 1) |
6 | 2, 5 | eqtri 2844 | . . . . 5 ⊢ (5↑2) = (((4↑2) + (2 · 4)) + 1) |
7 | 6 | oveq1i 7166 | . . . 4 ⊢ ((5↑2) − 1) = ((((4↑2) + (2 · 4)) + 1) − 1) |
8 | 3cn 11719 | . . . . . 6 ⊢ 3 ∈ ℂ | |
9 | 8cn 11735 | . . . . . 6 ⊢ 8 ∈ ℂ | |
10 | 8, 9 | mulcli 10648 | . . . . 5 ⊢ (3 · 8) ∈ ℂ |
11 | ax-1cn 10595 | . . . . 5 ⊢ 1 ∈ ℂ | |
12 | sq4e2t8 13563 | . . . . . . . 8 ⊢ (4↑2) = (2 · 8) | |
13 | 2cn 11713 | . . . . . . . . 9 ⊢ 2 ∈ ℂ | |
14 | 4t2e8 11806 | . . . . . . . . . 10 ⊢ (4 · 2) = 8 | |
15 | 9 | mulid2i 10646 | . . . . . . . . . 10 ⊢ (1 · 8) = 8 |
16 | 14, 15 | eqtr4i 2847 | . . . . . . . . 9 ⊢ (4 · 2) = (1 · 8) |
17 | 3, 13, 16 | mulcomli 10650 | . . . . . . . 8 ⊢ (2 · 4) = (1 · 8) |
18 | 12, 17 | oveq12i 7168 | . . . . . . 7 ⊢ ((4↑2) + (2 · 4)) = ((2 · 8) + (1 · 8)) |
19 | 13, 11, 9 | adddiri 10654 | . . . . . . 7 ⊢ ((2 + 1) · 8) = ((2 · 8) + (1 · 8)) |
20 | 2p1e3 11780 | . . . . . . . 8 ⊢ (2 + 1) = 3 | |
21 | 20 | oveq1i 7166 | . . . . . . 7 ⊢ ((2 + 1) · 8) = (3 · 8) |
22 | 18, 19, 21 | 3eqtr2i 2850 | . . . . . 6 ⊢ ((4↑2) + (2 · 4)) = (3 · 8) |
23 | 22 | oveq1i 7166 | . . . . 5 ⊢ (((4↑2) + (2 · 4)) + 1) = ((3 · 8) + 1) |
24 | 10, 11, 23 | mvrraddi 10903 | . . . 4 ⊢ ((((4↑2) + (2 · 4)) + 1) − 1) = (3 · 8) |
25 | 7, 24 | eqtri 2844 | . . 3 ⊢ ((5↑2) − 1) = (3 · 8) |
26 | 25 | oveq1i 7166 | . 2 ⊢ (((5↑2) − 1) / 8) = ((3 · 8) / 8) |
27 | 0re 10643 | . . . 4 ⊢ 0 ∈ ℝ | |
28 | 8pos 11750 | . . . 4 ⊢ 0 < 8 | |
29 | 27, 28 | gtneii 10752 | . . 3 ⊢ 8 ≠ 0 |
30 | 8, 9, 29 | divcan4i 11387 | . 2 ⊢ ((3 · 8) / 8) = 3 |
31 | 26, 30 | eqtri 2844 | 1 ⊢ (((5↑2) − 1) / 8) = 3 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ∈ wcel 2114 (class class class)co 7156 ℂcc 10535 0cc0 10537 1c1 10538 + caddc 10540 · cmul 10542 − cmin 10870 / cdiv 11297 2c2 11693 3c3 11694 4c4 11695 5c5 11696 8c8 11699 ↑cexp 13430 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-om 7581 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-er 8289 df-en 8510 df-dom 8511 df-sdom 8512 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 df-7 11706 df-8 11707 df-n0 11899 df-z 11983 df-uz 12245 df-seq 13371 df-exp 13431 |
This theorem is referenced by: 2lgsoddprmlem3 25990 |
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