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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > oddprm2 | Structured version Visualization version GIF version |
Description: Two ways to write the set of odd primes. (Contributed by Thierry Arnoux, 27-Dec-2021.) |
Ref | Expression |
---|---|
hgt750leme.o | ⊢ 𝑂 = {𝑧 ∈ ℤ ∣ ¬ 2 ∥ 𝑧} |
Ref | Expression |
---|---|
oddprm2 | ⊢ (ℙ ∖ {2}) = (𝑂 ∩ ℙ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ancom 459 | . . . 4 ⊢ ((𝑧 ∈ 𝑂 ∧ 𝑧 ∈ ℙ) ↔ (𝑧 ∈ ℙ ∧ 𝑧 ∈ 𝑂)) | |
2 | prmz 16643 | . . . . . 6 ⊢ (𝑧 ∈ ℙ → 𝑧 ∈ ℤ) | |
3 | hgt750leme.o | . . . . . . . 8 ⊢ 𝑂 = {𝑧 ∈ ℤ ∣ ¬ 2 ∥ 𝑧} | |
4 | 3 | reqabi 3442 | . . . . . . 7 ⊢ (𝑧 ∈ 𝑂 ↔ (𝑧 ∈ ℤ ∧ ¬ 2 ∥ 𝑧)) |
5 | 4 | baib 534 | . . . . . 6 ⊢ (𝑧 ∈ ℤ → (𝑧 ∈ 𝑂 ↔ ¬ 2 ∥ 𝑧)) |
6 | 2, 5 | syl 17 | . . . . 5 ⊢ (𝑧 ∈ ℙ → (𝑧 ∈ 𝑂 ↔ ¬ 2 ∥ 𝑧)) |
7 | 6 | pm5.32i 573 | . . . 4 ⊢ ((𝑧 ∈ ℙ ∧ 𝑧 ∈ 𝑂) ↔ (𝑧 ∈ ℙ ∧ ¬ 2 ∥ 𝑧)) |
8 | 1, 7 | bitr2i 275 | . . 3 ⊢ ((𝑧 ∈ ℙ ∧ ¬ 2 ∥ 𝑧) ↔ (𝑧 ∈ 𝑂 ∧ 𝑧 ∈ ℙ)) |
9 | nnoddn2prmb 16779 | . . 3 ⊢ (𝑧 ∈ (ℙ ∖ {2}) ↔ (𝑧 ∈ ℙ ∧ ¬ 2 ∥ 𝑧)) | |
10 | elin 3955 | . . 3 ⊢ (𝑧 ∈ (𝑂 ∩ ℙ) ↔ (𝑧 ∈ 𝑂 ∧ 𝑧 ∈ ℙ)) | |
11 | 8, 9, 10 | 3bitr4i 302 | . 2 ⊢ (𝑧 ∈ (ℙ ∖ {2}) ↔ 𝑧 ∈ (𝑂 ∩ ℙ)) |
12 | 11 | eqriv 2722 | 1 ⊢ (ℙ ∖ {2}) = (𝑂 ∩ ℙ) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 ↔ wb 205 ∧ wa 394 = wceq 1533 ∈ wcel 2098 {crab 3419 ∖ cdif 3936 ∩ cin 3938 {csn 4622 class class class wbr 5141 2c2 12295 ℤcz 12586 ∥ cdvds 16228 ℙcprime 16639 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-sep 5292 ax-nul 5299 ax-pow 5357 ax-pr 5421 ax-un 7736 ax-cnex 11192 ax-resscn 11193 ax-1cn 11194 ax-icn 11195 ax-addcl 11196 ax-addrcl 11197 ax-mulcl 11198 ax-mulrcl 11199 ax-mulcom 11200 ax-addass 11201 ax-mulass 11202 ax-distr 11203 ax-i2m1 11204 ax-1ne0 11205 ax-1rid 11206 ax-rnegex 11207 ax-rrecex 11208 ax-cnre 11209 ax-pre-lttri 11210 ax-pre-lttrn 11211 ax-pre-ltadd 11212 ax-pre-mulgt0 11213 ax-pre-sup 11214 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3958 df-nul 4317 df-if 4523 df-pw 4598 df-sn 4623 df-pr 4625 df-op 4629 df-uni 4902 df-iun 4991 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5568 df-eprel 5574 df-po 5582 df-so 5583 df-fr 5625 df-we 5627 df-xp 5676 df-rel 5677 df-cnv 5678 df-co 5679 df-dm 5680 df-rn 5681 df-res 5682 df-ima 5683 df-pred 6298 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7867 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8388 df-rdg 8427 df-1o 8483 df-2o 8484 df-er 8721 df-en 8961 df-dom 8962 df-sdom 8963 df-fin 8964 df-sup 9463 df-pnf 11278 df-mnf 11279 df-xr 11280 df-ltxr 11281 df-le 11282 df-sub 11474 df-neg 11475 df-div 11900 df-nn 12241 df-2 12303 df-3 12304 df-n0 12501 df-z 12587 df-uz 12851 df-rp 13005 df-seq 13997 df-exp 14057 df-cj 15076 df-re 15077 df-im 15078 df-sqrt 15212 df-abs 15213 df-dvds 16229 df-prm 16640 |
This theorem is referenced by: hgt750lemb 34317 |
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