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Mirrors > Home > MPE Home > Th. List > 1lgs | Structured version Visualization version GIF version |
Description: The Legendre symbol at 1. See example 1 in [ApostolNT] p. 180. (Contributed by Mario Carneiro, 28-Apr-2016.) |
Ref | Expression |
---|---|
1lgs | ⊢ (𝑁 ∈ ℤ → (1 /L 𝑁) = 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sq1 14159 | . . 3 ⊢ (1↑2) = 1 | |
2 | 1 | oveq1i 7419 | . 2 ⊢ ((1↑2) /L 𝑁) = (1 /L 𝑁) |
3 | 1gcd 16475 | . . 3 ⊢ (𝑁 ∈ ℤ → (1 gcd 𝑁) = 1) | |
4 | 1z 12592 | . . . . 5 ⊢ 1 ∈ ℤ | |
5 | ax-1ne0 11179 | . . . . 5 ⊢ 1 ≠ 0 | |
6 | 4, 5 | pm3.2i 472 | . . . 4 ⊢ (1 ∈ ℤ ∧ 1 ≠ 0) |
7 | lgssq 26840 | . . . 4 ⊢ (((1 ∈ ℤ ∧ 1 ≠ 0) ∧ 𝑁 ∈ ℤ ∧ (1 gcd 𝑁) = 1) → ((1↑2) /L 𝑁) = 1) | |
8 | 6, 7 | mp3an1 1449 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ (1 gcd 𝑁) = 1) → ((1↑2) /L 𝑁) = 1) |
9 | 3, 8 | mpdan 686 | . 2 ⊢ (𝑁 ∈ ℤ → ((1↑2) /L 𝑁) = 1) |
10 | 2, 9 | eqtr3id 2787 | 1 ⊢ (𝑁 ∈ ℤ → (1 /L 𝑁) = 1) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ≠ wne 2941 (class class class)co 7409 0cc0 11110 1c1 11111 2c2 12267 ℤcz 12558 ↑cexp 14027 gcd cgcd 16435 /L clgs 26797 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 ax-pre-sup 11188 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-op 4636 df-uni 4910 df-int 4952 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7856 df-1st 7975 df-2nd 7976 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-1o 8466 df-2o 8467 df-oadd 8470 df-er 8703 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9437 df-inf 9438 df-dju 9896 df-card 9934 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-div 11872 df-nn 12213 df-2 12275 df-3 12276 df-4 12277 df-5 12278 df-6 12279 df-7 12280 df-8 12281 df-9 12282 df-n0 12473 df-xnn0 12545 df-z 12559 df-uz 12823 df-q 12933 df-rp 12975 df-fz 13485 df-fzo 13628 df-fl 13757 df-mod 13835 df-seq 13967 df-exp 14028 df-hash 14291 df-cj 15046 df-re 15047 df-im 15048 df-sqrt 15182 df-abs 15183 df-dvds 16198 df-gcd 16436 df-prm 16609 df-phi 16699 df-pc 16770 df-lgs 26798 |
This theorem is referenced by: lgsdinn0 26848 lgsdchr 26858 |
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