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Mirrors > Home > MPE Home > Th. List > Mathboxes > knoppndvlem16 | Structured version Visualization version GIF version |
Description: Lemma for knoppndv 33877. (Contributed by Asger C. Ipsen, 19-Jul-2021.) |
Ref | Expression |
---|---|
knoppndvlem16.a | ⊢ 𝐴 = ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀) |
knoppndvlem16.b | ⊢ 𝐵 = ((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1)) |
knoppndvlem16.j | ⊢ (𝜑 → 𝐽 ∈ ℕ0) |
knoppndvlem16.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
knoppndvlem16.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
Ref | Expression |
---|---|
knoppndvlem16 | ⊢ (𝜑 → (𝐵 − 𝐴) = (((2 · 𝑁)↑-𝐽) / 2)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | knoppndvlem16.b | . . . 4 ⊢ 𝐵 = ((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1)) | |
2 | 1 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐵 = ((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1))) |
3 | knoppndvlem16.a | . . . 4 ⊢ 𝐴 = ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀) | |
4 | 3 | a1i 11 | . . 3 ⊢ (𝜑 → 𝐴 = ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀)) |
5 | 2, 4 | oveq12d 7177 | . 2 ⊢ (𝜑 → (𝐵 − 𝐴) = (((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1)) − ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀))) |
6 | 2cnd 11718 | . . . . . . 7 ⊢ (𝜑 → 2 ∈ ℂ) | |
7 | knoppndvlem16.n | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
8 | 7 | nncnd 11657 | . . . . . . 7 ⊢ (𝜑 → 𝑁 ∈ ℂ) |
9 | 6, 8 | mulcld 10664 | . . . . . 6 ⊢ (𝜑 → (2 · 𝑁) ∈ ℂ) |
10 | 2ne0 11744 | . . . . . . . 8 ⊢ 2 ≠ 0 | |
11 | 10 | a1i 11 | . . . . . . 7 ⊢ (𝜑 → 2 ≠ 0) |
12 | 7 | nnne0d 11690 | . . . . . . 7 ⊢ (𝜑 → 𝑁 ≠ 0) |
13 | 6, 8, 11, 12 | mulne0d 11295 | . . . . . 6 ⊢ (𝜑 → (2 · 𝑁) ≠ 0) |
14 | knoppndvlem16.j | . . . . . . . 8 ⊢ (𝜑 → 𝐽 ∈ ℕ0) | |
15 | 14 | nn0zd 12088 | . . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ ℤ) |
16 | 15 | znegcld 12092 | . . . . . 6 ⊢ (𝜑 → -𝐽 ∈ ℤ) |
17 | 9, 13, 16 | expclzd 13518 | . . . . 5 ⊢ (𝜑 → ((2 · 𝑁)↑-𝐽) ∈ ℂ) |
18 | 6, 8, 13 | mulne0bad 11298 | . . . . 5 ⊢ (𝜑 → 2 ≠ 0) |
19 | 17, 6, 18 | divcld 11419 | . . . 4 ⊢ (𝜑 → (((2 · 𝑁)↑-𝐽) / 2) ∈ ℂ) |
20 | knoppndvlem16.m | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
21 | 20 | zcnd 12091 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℂ) |
22 | 1cnd 10639 | . . . . 5 ⊢ (𝜑 → 1 ∈ ℂ) | |
23 | 21, 22 | addcld 10663 | . . . 4 ⊢ (𝜑 → (𝑀 + 1) ∈ ℂ) |
24 | 19, 23, 21 | subdid 11099 | . . 3 ⊢ (𝜑 → ((((2 · 𝑁)↑-𝐽) / 2) · ((𝑀 + 1) − 𝑀)) = (((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1)) − ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀))) |
25 | 24 | eqcomd 2830 | . 2 ⊢ (𝜑 → (((((2 · 𝑁)↑-𝐽) / 2) · (𝑀 + 1)) − ((((2 · 𝑁)↑-𝐽) / 2) · 𝑀)) = ((((2 · 𝑁)↑-𝐽) / 2) · ((𝑀 + 1) − 𝑀))) |
26 | 21, 22 | pncan2d 11002 | . . . 4 ⊢ (𝜑 → ((𝑀 + 1) − 𝑀) = 1) |
27 | 26 | oveq2d 7175 | . . 3 ⊢ (𝜑 → ((((2 · 𝑁)↑-𝐽) / 2) · ((𝑀 + 1) − 𝑀)) = ((((2 · 𝑁)↑-𝐽) / 2) · 1)) |
28 | 19 | mulid1d 10661 | . . 3 ⊢ (𝜑 → ((((2 · 𝑁)↑-𝐽) / 2) · 1) = (((2 · 𝑁)↑-𝐽) / 2)) |
29 | 27, 28 | eqtrd 2859 | . 2 ⊢ (𝜑 → ((((2 · 𝑁)↑-𝐽) / 2) · ((𝑀 + 1) − 𝑀)) = (((2 · 𝑁)↑-𝐽) / 2)) |
30 | 5, 25, 29 | 3eqtrd 2863 | 1 ⊢ (𝜑 → (𝐵 − 𝐴) = (((2 · 𝑁)↑-𝐽) / 2)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 ≠ wne 3019 (class class class)co 7159 0cc0 10540 1c1 10541 + caddc 10543 · cmul 10545 − cmin 10873 -cneg 10874 / cdiv 11300 ℕcn 11641 2c2 11695 ℕ0cn0 11900 ℤcz 11984 ↑cexp 13432 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-1cn 10598 ax-icn 10599 ax-addcl 10600 ax-addrcl 10601 ax-mulcl 10602 ax-mulrcl 10603 ax-mulcom 10604 ax-addass 10605 ax-mulass 10606 ax-distr 10607 ax-i2m1 10608 ax-1ne0 10609 ax-1rid 10610 ax-rnegex 10611 ax-rrecex 10612 ax-cnre 10613 ax-pre-lttri 10614 ax-pre-lttrn 10615 ax-pre-ltadd 10616 ax-pre-mulgt0 10617 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-reu 3148 df-rmo 3149 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-pss 3957 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-tp 4575 df-op 4577 df-uni 4842 df-iun 4924 df-br 5070 df-opab 5132 df-mpt 5150 df-tr 5176 df-id 5463 df-eprel 5468 df-po 5477 df-so 5478 df-fr 5517 df-we 5519 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-pred 6151 df-ord 6197 df-on 6198 df-lim 6199 df-suc 6200 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7117 df-ov 7162 df-oprab 7163 df-mpo 7164 df-om 7584 df-2nd 7693 df-wrecs 7950 df-recs 8011 df-rdg 8049 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-sub 10875 df-neg 10876 df-div 11301 df-nn 11642 df-2 11703 df-n0 11901 df-z 11985 df-uz 12247 df-seq 13373 df-exp 13433 |
This theorem is referenced by: knoppndvlem17 33871 knoppndvlem21 33875 |
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