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| Mirrors > Home > MPE Home > Th. List > lgsfle1 | Structured version Visualization version GIF version | ||
| Description: The function 𝐹 has magnitude less or equal to 1. (Contributed by Mario Carneiro, 4-Feb-2015.) |
| Ref | Expression |
|---|---|
| lgsval.1 | ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ if(𝑛 ∈ ℙ, (if(𝑛 = 2, if(2 ∥ 𝐴, 0, if((𝐴 mod 8) ∈ {1, 7}, 1, -1)), ((((𝐴↑((𝑛 − 1) / 2)) + 1) mod 𝑛) − 1))↑(𝑛 pCnt 𝑁)), 1)) |
| Ref | Expression |
|---|---|
| lgsfle1 | ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ≠ 0) ∧ 𝑀 ∈ ℕ) → (abs‘(𝐹‘𝑀)) ≤ 1) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lgsval.1 | . . . 4 ⊢ 𝐹 = (𝑛 ∈ ℕ ↦ if(𝑛 ∈ ℙ, (if(𝑛 = 2, if(2 ∥ 𝐴, 0, if((𝐴 mod 8) ∈ {1, 7}, 1, -1)), ((((𝐴↑((𝑛 − 1) / 2)) + 1) mod 𝑛) − 1))↑(𝑛 pCnt 𝑁)), 1)) | |
| 2 | eqid 2765 | . . . 4 ⊢ {𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1} = {𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1} | |
| 3 | 1, 2 | lgsfcl2 27518 | . . 3 ⊢ ((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ≠ 0) → 𝐹:ℕ⟶{𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1}) |
| 4 | 3 | ffvelcdmda 7083 | . 2 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ≠ 0) ∧ 𝑀 ∈ ℕ) → (𝐹‘𝑀) ∈ {𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1}) |
| 5 | fveq2 6885 | . . . . 5 ⊢ (𝑥 = (𝐹‘𝑀) → (abs‘𝑥) = (abs‘(𝐹‘𝑀))) | |
| 6 | 5 | breq1d 5121 | . . . 4 ⊢ (𝑥 = (𝐹‘𝑀) → ((abs‘𝑥) ≤ 1 ↔ (abs‘(𝐹‘𝑀)) ≤ 1)) |
| 7 | 6 | elrab 3652 | . . 3 ⊢ ((𝐹‘𝑀) ∈ {𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1} ↔ ((𝐹‘𝑀) ∈ ℤ ∧ (abs‘(𝐹‘𝑀)) ≤ 1)) |
| 8 | 7 | simprbi 503 | . 2 ⊢ ((𝐹‘𝑀) ∈ {𝑥 ∈ ℤ ∣ (abs‘𝑥) ≤ 1} → (abs‘(𝐹‘𝑀)) ≤ 1) |
| 9 | 4, 8 | syl 18 | 1 ⊢ (((𝐴 ∈ ℤ ∧ 𝑁 ∈ ℤ ∧ 𝑁 ≠ 0) ∧ 𝑀 ∈ ℕ) → (abs‘(𝐹‘𝑀)) ≤ 1) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 {crab 3418 ifcif 4489 {cpr 4593 class class class wbr 5111 ↦ cmpt 5194 ‘cfv 6540 (class class class)co 7419 0cc0 11115 1c1 11116 + caddc 11118 ≤ cle 11259 − cmin 11456 -cneg 11457 / cdiv 11886 ℕcn 12248 2c2 12310 7c7 12315 8c8 12316 ℤcz 12606 mod cmo 13920 ↑cexp 14115 abscabs 15309 ∥ cdvds 16332 ℙcprime 16751 pCnt cpc 16918 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 ax-pre-sup 11193 |
| 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 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-int 4915 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-1o 8459 df-2o 8460 df-oadd 8463 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-fin 8953 df-sup 9409 df-inf 9410 df-dju 9903 df-card 9941 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-div 11887 df-nn 12249 df-2 12318 df-3 12319 df-n0 12520 df-xnn0 12593 df-z 12607 df-uz 12879 df-q 12989 df-rp 13033 df-fz 13552 df-fzo 13700 df-fl 13843 df-mod 13921 df-seq 14056 df-exp 14116 df-hash 14385 df-cj 15174 df-re 15175 df-im 15176 df-sqrt 15310 df-abs 15311 df-dvds 16333 df-gcd 16575 df-prm 16752 df-phi 16847 df-pc 16919 |
| This theorem is used by: (None) |
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