poleiro.info valuation and analysis
Robots.txt Information
| Robot | Path | Permission |
| GoogleBot | / | ✔ |
| BingBot | / | ✔ |
| BaiduSpider | / | ✔ |
| YandexBot | / | ✔ |
Meta Tags
| Title | Poleiro, the Coq blog - |
| Description | A blog about the Coq proof assistant and programming |
| Keywords | N/A |
Server Information
| WebSite | |
| Host IP | 159.65.233.164 |
| Location | United States |
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poleiro.info Valuation
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US$330,671
Last updated: 2023-05-13 04:13:51
poleiro.info has Semrush global rank of 32,008,613. poleiro.info has an estimated worth of US$ 330,671, based on its estimated Ads revenue. poleiro.info receives approximately 38,155 unique visitors each day. Its web server is located in United States, with IP address 159.65.233.164. According to SiteAdvisor, poleiro.info is safe to visit. |
Traffic & Worth Estimates
| Purchase/Sale Value | US$330,671 |
| Daily Ads Revenue | US$306 |
| Monthly Ads Revenue | US$9,158 |
| Yearly Ads Revenue | US$109,885 |
| Daily Unique Visitors | 2,544 |
| Note: All traffic and earnings values are estimates. | |
DNS Records
| Host | Type | TTL | Data |
| poleiro.info. | A | 599 | IP: 159.65.233.164 |
| poleiro.info. | NS | 3600 | NS Record: ns59.domaincontrol.com. |
| poleiro.info. | NS | 3600 | NS Record: ns60.domaincontrol.com. |
| poleiro.info. | MX | 3600 | MX Record: 10 smtp.secureserver.net. |
| poleiro.info. | MX | 3600 | MX Record: 0 mailstore1.secureserver.net. |
HtmlToTextCheckTime:2023-05-13 04:13:51
| Poleiro Where the Coq lives Main Archives About Feed GitHub December 25, 2019 | Comments Quotients in Coq Quotients are crucial in mathematical practice, and it is a shame that they are not available in Coq’s standard library. There was a recent discussion on the Coq GitHub page on this issue and the consequences of implementing quotients like Lean does, where the eliminator for function types has a reduction rule that breaks pleasant metatheoretic properties such as subject reduction. In this post, we are going to define quotients in Coq with three standard axioms: Functional extensionality Propositional extensionality Constructive definite description (also known as the axiom of unique choice) Check @ functional_extensionality_dep : ∀ A B ( f g : ∀ x : A , B x ), (∀ x : A , f x = g x ) → f = g . Check @ propositional_extensionality : ∀ P Q , ( P ↔ Q ) → P = Q . Check @ constructive_definite_description : ∀ A P , ( exists ! x : A , P x ) → { x : A | P x }. As far as axioms go, these |
HTTP Headers
HTTP/1.1 200 OK Date: Mon, 20 Dec 2021 16:34:42 GMT Server: Apache/2.4.41 (Ubuntu) Last-Modified: Thu, 28 Oct 2021 18:53:54 GMT ETag: "164b2-5cf6e3b7a1fe1" Accept-Ranges: bytes Content-Length: 91314 Vary: Accept-Encoding Content-Type: text/html |
poleiro.info Whois Information
Domain Name: poleiro.info Registry Domain ID: a5530a3d9f674a19b4d4c6f2eec3e80b-DONUTS Registrar WHOIS Server: whois.godaddy.com/ Registrar URL: http://www.godaddy.com/domains/search.aspx?ci=8990 Updated Date: 2021-11-18T12:07:35Z Creation Date: 2013-04-04T23:38:20Z Registry Expiry Date: 2026-04-04T23:38:20Z Registrar: GoDaddy.com, LLC Registrar IANA ID: 146 Registrar Abuse Contact Email: abuse@godaddy.com Registrar Abuse Contact Phone: +1.4806242505 Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited Registrant Organization: Domains By Proxy, LLC Registrant State/Province: Arizona Registrant Country: US Name Server: ns59.domaincontrol.com Name Server: ns60.domaincontrol.com DNSSEC: unsigned >>> Last update of WHOIS database: 2021-12-24T12:29:28Z <<< |