| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 2lgsoddprmlem3c | Structured version Visualization version GIF version | ||
| Description: Lemma 3 for 2lgsoddprmlem3 27771. (Contributed by AV, 20-Jul-2021.) |
| Ref | Expression |
|---|---|
| 2lgsoddprmlem3c | ⊢ (((5↑2) − 1) / 8) = 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-5 12435 | . . . . . . 7 ⊢ 5 = (4 + 1) | |
| 2 | 1 | oveq1i 7453 | . . . . . 6 ⊢ (5↑2) = ((4 + 1)↑2) |
| 3 | 4cn 12455 | . . . . . . 7 ⊢ 4 ∈ ℂ | |
| 4 | binom21 14390 | . . . . . . 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 2786 | . . . . 5 ⊢ (5↑2) = (((4↑2) + (2 · 4)) + 1) |
| 7 | 6 | oveq1i 7453 | . . . 4 ⊢ ((5↑2) − 1) = ((((4↑2) + (2 · 4)) + 1) − 1) |
| 8 | 3cn 12451 | . . . . . 6 ⊢ 3 ∈ ℂ | |
| 9 | 8cn 12467 | . . . . . 6 ⊢ 8 ∈ ℂ | |
| 10 | 8, 9 | mulcli 11343 | . . . . 5 ⊢ (3 · 8) ∈ ℂ |
| 11 | ax-1cn 11285 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 12 | sq4e2t8 14369 | . . . . . . . 8 ⊢ (4↑2) = (2 · 8) | |
| 13 | 2cn 12445 | . . . . . . . . 9 ⊢ 2 ∈ ℂ | |
| 14 | 4t2e8 12538 | . . . . . . . . . 10 ⊢ (4 · 2) = 8 | |
| 15 | 9 | mullidi 11341 | . . . . . . . . . 10 ⊢ (1 · 8) = 8 |
| 16 | 14, 15 | eqtr4i 2789 | . . . . . . . . 9 ⊢ (4 · 2) = (1 · 8) |
| 17 | 3, 13, 16 | mulcomli 11345 | . . . . . . . 8 ⊢ (2 · 4) = (1 · 8) |
| 18 | 12, 17 | oveq12i 7455 | . . . . . . 7 ⊢ ((4↑2) + (2 · 4)) = ((2 · 8) + (1 · 8)) |
| 19 | 13, 11, 9 | adddiri 11349 | . . . . . . 7 ⊢ ((2 + 1) · 8) = ((2 · 8) + (1 · 8)) |
| 20 | 2p1e3 12511 | . . . . . . . 8 ⊢ (2 + 1) = 3 | |
| 21 | 20 | oveq1i 7453 | . . . . . . 7 ⊢ ((2 + 1) · 8) = (3 · 8) |
| 22 | 18, 19, 21 | 3eqtr2i 2792 | . . . . . 6 ⊢ ((4↑2) + (2 · 4)) = (3 · 8) |
| 23 | 22 | oveq1i 7453 | . . . . 5 ⊢ (((4↑2) + (2 · 4)) + 1) = ((3 · 8) + 1) |
| 24 | 10, 11, 23 | mvrraddi 11601 | . . . 4 ⊢ ((((4↑2) + (2 · 4)) + 1) − 1) = (3 · 8) |
| 25 | 7, 24 | eqtri 2786 | . . 3 ⊢ ((5↑2) − 1) = (3 · 8) |
| 26 | 25 | oveq1i 7453 | . 2 ⊢ (((5↑2) − 1) / 8) = ((3 · 8) / 8) |
| 27 | 0re 11337 | . . . 4 ⊢ 0 ∈ ℝ | |
| 28 | 8pos 12485 | . . . 4 ⊢ 0 < 8 | |
| 29 | 27, 28 | gtneii 11449 | . . 3 ⊢ 8 ≠ 0 |
| 30 | 8, 9, 29 | divcan4i 12091 | . 2 ⊢ ((3 · 8) / 8) = 3 |
| 31 | 26, 30 | eqtri 2786 | 1 ⊢ (((5↑2) − 1) / 8) = 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2147 (class class class)co 7443 ℂcc 11225 0cc0 11227 1c1 11228 + caddc 11230 · cmul 11232 − cmin 11568 / cdiv 12000 2c2 12424 3c3 12425 4c4 12426 5c5 12427 8c8 12430 ↑cexp 14231 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 df-n0 12634 df-z 12721 df-uz 12993 df-seq 14172 df-exp 14232 |
| This theorem is used by: 2lgsoddprmlem3 27771 |
| Copyright terms: Public domain | W3C validator |