Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > 2sqreu | Structured version Visualization version GIF version |
Description: There exists a unique decomposition of a prime of the form 4𝑘 + 1 as a sum of squares of two nonnegative integers. See 2sqnn0 26635 for the existence of such a decomposition. (Contributed by AV, 4-Jun-2023.) (Revised by AV, 25-Jun-2023.) |
Ref | Expression |
---|---|
2sqreu.1 | ⊢ (𝜑 ↔ (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃)) |
Ref | Expression |
---|---|
2sqreu | ⊢ ((𝑃 ∈ ℙ ∧ (𝑃 mod 4) = 1) → (∃!𝑎 ∈ ℕ0 ∃𝑏 ∈ ℕ0 𝜑 ∧ ∃!𝑏 ∈ ℕ0 ∃𝑎 ∈ ℕ0 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2sqreulem1 26643 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ (𝑃 mod 4) = 1) → ∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃)) | |
2 | 2sqreu.1 | . . . . . 6 ⊢ (𝜑 ↔ (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃)) | |
3 | 2 | bicomi 223 | . . . . 5 ⊢ ((𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃) ↔ 𝜑) |
4 | 3 | reubii 3344 | . . . 4 ⊢ (∃!𝑏 ∈ ℕ0 (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃) ↔ ∃!𝑏 ∈ ℕ0 𝜑) |
5 | 4 | reubii 3344 | . . 3 ⊢ (∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃) ↔ ∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 𝜑) |
6 | 2 | 2sqreulem4 26651 | . . . 4 ⊢ ∀𝑎 ∈ ℕ0 ∃*𝑏 ∈ ℕ0 𝜑 |
7 | 2reu1 3835 | . . . 4 ⊢ (∀𝑎 ∈ ℕ0 ∃*𝑏 ∈ ℕ0 𝜑 → (∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 𝜑 ↔ (∃!𝑎 ∈ ℕ0 ∃𝑏 ∈ ℕ0 𝜑 ∧ ∃!𝑏 ∈ ℕ0 ∃𝑎 ∈ ℕ0 𝜑))) | |
8 | 6, 7 | mp1i 13 | . . 3 ⊢ ((𝑃 ∈ ℙ ∧ (𝑃 mod 4) = 1) → (∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 𝜑 ↔ (∃!𝑎 ∈ ℕ0 ∃𝑏 ∈ ℕ0 𝜑 ∧ ∃!𝑏 ∈ ℕ0 ∃𝑎 ∈ ℕ0 𝜑))) |
9 | 5, 8 | bitrid 283 | . 2 ⊢ ((𝑃 ∈ ℙ ∧ (𝑃 mod 4) = 1) → (∃!𝑎 ∈ ℕ0 ∃!𝑏 ∈ ℕ0 (𝑎 ≤ 𝑏 ∧ ((𝑎↑2) + (𝑏↑2)) = 𝑃) ↔ (∃!𝑎 ∈ ℕ0 ∃𝑏 ∈ ℕ0 𝜑 ∧ ∃!𝑏 ∈ ℕ0 ∃𝑎 ∈ ℕ0 𝜑))) |
10 | 1, 9 | mpbid 231 | 1 ⊢ ((𝑃 ∈ ℙ ∧ (𝑃 mod 4) = 1) → (∃!𝑎 ∈ ℕ0 ∃𝑏 ∈ ℕ0 𝜑 ∧ ∃!𝑏 ∈ ℕ0 ∃𝑎 ∈ ℕ0 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 = wceq 1539 ∈ wcel 2104 ∀wral 3062 ∃wrex 3071 ∃!wreu 3301 ∃*wrmo 3302 class class class wbr 5081 (class class class)co 7307 1c1 10922 + caddc 10924 ≤ cle 11060 2c2 12078 4c4 12080 ℕ0cn0 12283 mod cmo 13639 ↑cexp 13832 ℙcprime 16425 |
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 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2707 ax-rep 5218 ax-sep 5232 ax-nul 5239 ax-pow 5297 ax-pr 5361 ax-un 7620 ax-cnex 10977 ax-resscn 10978 ax-1cn 10979 ax-icn 10980 ax-addcl 10981 ax-addrcl 10982 ax-mulcl 10983 ax-mulrcl 10984 ax-mulcom 10985 ax-addass 10986 ax-mulass 10987 ax-distr 10988 ax-i2m1 10989 ax-1ne0 10990 ax-1rid 10991 ax-rnegex 10992 ax-rrecex 10993 ax-cnre 10994 ax-pre-lttri 10995 ax-pre-lttrn 10996 ax-pre-ltadd 10997 ax-pre-mulgt0 10998 ax-pre-sup 10999 ax-addf 11000 ax-mulf 11001 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 846 df-3or 1088 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3304 df-reu 3305 df-rab 3306 df-v 3439 df-sbc 3722 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-pss 3911 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4566 df-pr 4568 df-tp 4570 df-op 4572 df-uni 4845 df-int 4887 df-iun 4933 df-iin 4934 df-br 5082 df-opab 5144 df-mpt 5165 df-tr 5199 df-id 5500 df-eprel 5506 df-po 5514 df-so 5515 df-fr 5555 df-se 5556 df-we 5557 df-xp 5606 df-rel 5607 df-cnv 5608 df-co 5609 df-dm 5610 df-rn 5611 df-res 5612 df-ima 5613 df-pred 6217 df-ord 6284 df-on 6285 df-lim 6286 df-suc 6287 df-iota 6410 df-fun 6460 df-fn 6461 df-f 6462 df-f1 6463 df-fo 6464 df-f1o 6465 df-fv 6466 df-isom 6467 df-riota 7264 df-ov 7310 df-oprab 7311 df-mpo 7312 df-of 7565 df-ofr 7566 df-om 7745 df-1st 7863 df-2nd 7864 df-supp 8009 df-tpos 8073 df-frecs 8128 df-wrecs 8159 df-recs 8233 df-rdg 8272 df-1o 8328 df-2o 8329 df-oadd 8332 df-er 8529 df-ec 8531 df-qs 8535 df-map 8648 df-pm 8649 df-ixp 8717 df-en 8765 df-dom 8766 df-sdom 8767 df-fin 8768 df-fsupp 9177 df-sup 9249 df-inf 9250 df-oi 9317 df-dju 9707 df-card 9745 df-pnf 11061 df-mnf 11062 df-xr 11063 df-ltxr 11064 df-le 11065 df-sub 11257 df-neg 11258 df-div 11683 df-nn 12024 df-2 12086 df-3 12087 df-4 12088 df-5 12089 df-6 12090 df-7 12091 df-8 12092 df-9 12093 df-n0 12284 df-xnn0 12356 df-z 12370 df-dec 12488 df-uz 12633 df-q 12739 df-rp 12781 df-fz 13290 df-fzo 13433 df-fl 13562 df-mod 13640 df-seq 13772 df-exp 13833 df-hash 14095 df-cj 14859 df-re 14860 df-im 14861 df-sqrt 14995 df-abs 14996 df-dvds 16013 df-gcd 16251 df-prm 16426 df-phi 16516 df-pc 16587 df-gz 16680 df-struct 16897 df-sets 16914 df-slot 16932 df-ndx 16944 df-base 16962 df-ress 16991 df-plusg 17024 df-mulr 17025 df-starv 17026 df-sca 17027 df-vsca 17028 df-ip 17029 df-tset 17030 df-ple 17031 df-ds 17033 df-unif 17034 df-hom 17035 df-cco 17036 df-0g 17201 df-gsum 17202 df-prds 17207 df-pws 17209 df-imas 17268 df-qus 17269 df-mre 17344 df-mrc 17345 df-acs 17347 df-mgm 18375 df-sgrp 18424 df-mnd 18435 df-mhm 18479 df-submnd 18480 df-grp 18629 df-minusg 18630 df-sbg 18631 df-mulg 18750 df-subg 18801 df-nsg 18802 df-eqg 18803 df-ghm 18881 df-cntz 18972 df-cmn 19437 df-abl 19438 df-mgp 19770 df-ur 19787 df-srg 19791 df-ring 19834 df-cring 19835 df-oppr 19911 df-dvdsr 19932 df-unit 19933 df-invr 19963 df-dvr 19974 df-rnghom 20008 df-drng 20042 df-field 20043 df-subrg 20071 df-lmod 20174 df-lss 20243 df-lsp 20283 df-sra 20483 df-rgmod 20484 df-lidl 20485 df-rsp 20486 df-2idl 20552 df-nzr 20578 df-rlreg 20603 df-domn 20604 df-idom 20605 df-cnfld 20647 df-zring 20720 df-zrh 20754 df-zn 20757 df-assa 21109 df-asp 21110 df-ascl 21111 df-psr 21161 df-mvr 21162 df-mpl 21163 df-opsr 21165 df-evls 21331 df-evl 21332 df-psr1 21400 df-vr1 21401 df-ply1 21402 df-coe1 21403 df-evl1 21531 df-mdeg 25266 df-deg1 25267 df-mon1 25344 df-uc1p 25345 df-q1p 25346 df-r1p 25347 df-lgs 26492 |
This theorem is referenced by: 2sqreuop 26659 |
Copyright terms: Public domain | W3C validator |