ActivityPub Viewer

A small tool to view real-world ActivityPub objects as JSON! Enter a URL or username from Mastodon or a similar service below, and we'll send a request with the right Accept header to the server to view the underlying object.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-02-13T16:20:15Z", "url": "https://mathstodon.xyz/@Inquiry/113997487486895796", "attributedTo": "https://mathstodon.xyz/users/Inquiry", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mathstodon.xyz/users/Inquiry/followers" ], "sensitive": false, "atomUri": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796", "inReplyToAtomUri": null, "conversation": "tag:mathstodon.xyz,2025-02-13:objectId=138203736:objectType=Conversation", "content": "<p>Interpreter and Interpretant • Selection 10.1<br />• <a href=\"https://inquiryintoinquiry.com/2025/02/11/interpreter-and-interpretant-selection-10-a/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">inquiryintoinquiry.com/2025/02</span><span class=\"invisible\">/11/interpreter-and-interpretant-selection-10-a/</span></a><br />• <a href=\"https://bsky.app/profile/inquiryintoinquiry.bsky.social/post/3lhyet3gfzk2c\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/inquiryintoin</span><span class=\"invisible\">quiry.bsky.social/post/3lhyet3gfzk2c</span></a></p><p>Transfer —</p><p>Returning to the scene of Dewey&#39;s “Sign of Rain” example, let&#39;s continue examining how the transfer of knowledge through the analogy of experience works in that case.</p><p>By way of a recap, we began by considering a fragment K_pres of the reasoner&#39;s knowledge base which is logically equivalent to a conjunction of two rules.</p><p>• K_pres ⇔ (B ⇒ A) ∧ (B ⇒ D).</p><p>K_pres may be thought of as a piece of knowledge or item of information allowing for the possibility of certain conditions, expressed in the form of a logical constraint on the present universe of discourse.</p><p>Next we found it convenient to express all logical statements in terms of their models, that is, in terms of the primitive circumstances or elements of experience over which they hold true.</p><p>• Let E_past be the chosen set of experiences, or the circumstances in mind under “past experience”.</p><p>• Let E_poss be the collective set of experiences, or the prospective total of possible circumstances.</p><p>• Let E_pres be the current experience, or the circumstances immediately present to the reasoner.</p><p>If we think of the knowledge base K_pres as referring to the “regime of experience” over which it is valid, then the sets of models involved in the analogy may be ordered according to the relationships of set inclusion or logical implication existing among them.</p><p>Figure 4 shows the subsumption relations involved in the analogy of experience.</p><p>Figure 4. Analogy of Experience<br />• <a href=\"https://inquiryintoinquiry.files.wordpress.com/2025/02/analogy-of-experience.png\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">inquiryintoinquiry.files.wordp</span><span class=\"invisible\">ress.com/2025/02/analogy-of-experience.png</span></a></p><p><a href=\"https://mathstodon.xyz/tags/Peirce\" class=\"mention hashtag\" rel=\"tag\">#<span>Peirce</span></a> <a href=\"https://mathstodon.xyz/tags/Logic\" class=\"mention hashtag\" rel=\"tag\">#<span>Logic</span></a> <a href=\"https://mathstodon.xyz/tags/Semiotics\" class=\"mention hashtag\" rel=\"tag\">#<span>Semiotics</span></a> <a href=\"https://mathstodon.xyz/tags/Semiosis\" class=\"mention hashtag\" rel=\"tag\">#<span>Semiosis</span></a> <a href=\"https://mathstodon.xyz/tags/SignRelations\" class=\"mention hashtag\" rel=\"tag\">#<span>SignRelations</span></a> <br /><a href=\"https://mathstodon.xyz/tags/JohnDewey\" class=\"mention hashtag\" rel=\"tag\">#<span>JohnDewey</span></a> <a href=\"https://mathstodon.xyz/tags/Interpreter\" class=\"mention hashtag\" rel=\"tag\">#<span>Interpreter</span></a> <a href=\"https://mathstodon.xyz/tags/Interpretant\" class=\"mention hashtag\" rel=\"tag\">#<span>Interpretant</span></a> <a href=\"https://mathstodon.xyz/tags/Pragmatism\" class=\"mention hashtag\" rel=\"tag\">#<span>Pragmatism</span></a> <br /><a href=\"https://mathstodon.xyz/tags/Abduction\" class=\"mention hashtag\" rel=\"tag\">#<span>Abduction</span></a> <a href=\"https://mathstodon.xyz/tags/Deduction\" class=\"mention hashtag\" rel=\"tag\">#<span>Deduction</span></a> <a href=\"https://mathstodon.xyz/tags/Induction\" class=\"mention hashtag\" rel=\"tag\">#<span>Induction</span></a> <a href=\"https://mathstodon.xyz/tags/Analogy\" class=\"mention hashtag\" rel=\"tag\">#<span>Analogy</span></a> <a href=\"https://mathstodon.xyz/tags/Inquiry\" class=\"mention hashtag\" rel=\"tag\">#<span>Inquiry</span></a></p>", "contentMap": { "en": "<p>Interpreter and Interpretant • Selection 10.1<br />• <a href=\"https://inquiryintoinquiry.com/2025/02/11/interpreter-and-interpretant-selection-10-a/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">inquiryintoinquiry.com/2025/02</span><span class=\"invisible\">/11/interpreter-and-interpretant-selection-10-a/</span></a><br />• <a href=\"https://bsky.app/profile/inquiryintoinquiry.bsky.social/post/3lhyet3gfzk2c\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">bsky.app/profile/inquiryintoin</span><span class=\"invisible\">quiry.bsky.social/post/3lhyet3gfzk2c</span></a></p><p>Transfer —</p><p>Returning to the scene of Dewey&#39;s “Sign of Rain” example, let&#39;s continue examining how the transfer of knowledge through the analogy of experience works in that case.</p><p>By way of a recap, we began by considering a fragment K_pres of the reasoner&#39;s knowledge base which is logically equivalent to a conjunction of two rules.</p><p>• K_pres ⇔ (B ⇒ A) ∧ (B ⇒ D).</p><p>K_pres may be thought of as a piece of knowledge or item of information allowing for the possibility of certain conditions, expressed in the form of a logical constraint on the present universe of discourse.</p><p>Next we found it convenient to express all logical statements in terms of their models, that is, in terms of the primitive circumstances or elements of experience over which they hold true.</p><p>• Let E_past be the chosen set of experiences, or the circumstances in mind under “past experience”.</p><p>• Let E_poss be the collective set of experiences, or the prospective total of possible circumstances.</p><p>• Let E_pres be the current experience, or the circumstances immediately present to the reasoner.</p><p>If we think of the knowledge base K_pres as referring to the “regime of experience” over which it is valid, then the sets of models involved in the analogy may be ordered according to the relationships of set inclusion or logical implication existing among them.</p><p>Figure 4 shows the subsumption relations involved in the analogy of experience.</p><p>Figure 4. Analogy of Experience<br />• <a href=\"https://inquiryintoinquiry.files.wordpress.com/2025/02/analogy-of-experience.png\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">inquiryintoinquiry.files.wordp</span><span class=\"invisible\">ress.com/2025/02/analogy-of-experience.png</span></a></p><p><a href=\"https://mathstodon.xyz/tags/Peirce\" class=\"mention hashtag\" rel=\"tag\">#<span>Peirce</span></a> <a href=\"https://mathstodon.xyz/tags/Logic\" class=\"mention hashtag\" rel=\"tag\">#<span>Logic</span></a> <a href=\"https://mathstodon.xyz/tags/Semiotics\" class=\"mention hashtag\" rel=\"tag\">#<span>Semiotics</span></a> <a href=\"https://mathstodon.xyz/tags/Semiosis\" class=\"mention hashtag\" rel=\"tag\">#<span>Semiosis</span></a> <a href=\"https://mathstodon.xyz/tags/SignRelations\" class=\"mention hashtag\" rel=\"tag\">#<span>SignRelations</span></a> <br /><a href=\"https://mathstodon.xyz/tags/JohnDewey\" class=\"mention hashtag\" rel=\"tag\">#<span>JohnDewey</span></a> <a href=\"https://mathstodon.xyz/tags/Interpreter\" class=\"mention hashtag\" rel=\"tag\">#<span>Interpreter</span></a> <a href=\"https://mathstodon.xyz/tags/Interpretant\" class=\"mention hashtag\" rel=\"tag\">#<span>Interpretant</span></a> <a href=\"https://mathstodon.xyz/tags/Pragmatism\" class=\"mention hashtag\" rel=\"tag\">#<span>Pragmatism</span></a> <br /><a href=\"https://mathstodon.xyz/tags/Abduction\" class=\"mention hashtag\" rel=\"tag\">#<span>Abduction</span></a> <a href=\"https://mathstodon.xyz/tags/Deduction\" class=\"mention hashtag\" rel=\"tag\">#<span>Deduction</span></a> <a href=\"https://mathstodon.xyz/tags/Induction\" class=\"mention hashtag\" rel=\"tag\">#<span>Induction</span></a> <a href=\"https://mathstodon.xyz/tags/Analogy\" class=\"mention hashtag\" rel=\"tag\">#<span>Analogy</span></a> <a href=\"https://mathstodon.xyz/tags/Inquiry\" class=\"mention hashtag\" rel=\"tag\">#<span>Inquiry</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/png", "url": "https://media.mathstodon.xyz/media_attachments/files/113/997/474/357/077/875/original/db411b6af5b690de.png", "name": null, "blurhash": "U3S~x5t7~qxu_3j[WBj[IUf6ayfR-;j[WBj[", "width": 720, "height": 600 } ], "tag": [ { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/inquiry", "name": "#inquiry" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/analogy", "name": "#analogy" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/induction", "name": "#induction" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/deduction", "name": "#deduction" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/abduction", "name": "#abduction" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/pragmatism", "name": "#pragmatism" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/interpretant", "name": "#interpretant" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/interpreter", "name": "#interpreter" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/johndewey", "name": "#johndewey" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/SignRelations", "name": "#SignRelations" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/Semiosis", "name": "#Semiosis" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/semiotics", "name": "#semiotics" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/logic", "name": "#logic" }, { "type": "Hashtag", "href": "https://mathstodon.xyz/tags/Peirce", "name": "#Peirce" } ], "replies": { "id": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796/replies?min_id=113997503090208982&page=true", "partOf": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796/replies", "items": [ "https://mathstodon.xyz/users/Inquiry/statuses/113997503090208982" ] } }, "likes": { "id": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796/likes", "type": "Collection", "totalItems": 1 }, "shares": { "id": "https://mathstodon.xyz/users/Inquiry/statuses/113997487486895796/shares", "type": "Collection", "totalItems": 0 } }