{ localUrl: '../page/3x3.html', arbitalUrl: 'https://arbital.com/p/3x3', rawJsonUrl: '../raw/3x3.json', likeableId: '2575', likeableType: 'page', myLikeValue: '0', likeCount: '2', dislikeCount: '0', likeScore: '2', individualLikes: [ 'EricBruylant', 'EricRogstad' ], pageId: '3x3', edit: '2', editSummary: '', prevEdit: '1', currentEdit: '2', wasPublished: 'true', type: 'wiki', title: 'Intradependent encodings can be compressed', clickbait: '', textLength: '602', alias: '3x3', externalUrl: '', sortChildrenBy: 'likes', hasVote: 'false', voteType: '', votesAnonymous: 'false', editCreatorId: 'NateSoares', editCreatedAt: '2016-05-29 16:38:50', pageCreatorId: 'NateSoares', pageCreatedAt: '2016-05-29 16:38:14', seeDomainId: '0', editDomainId: 'AlexeiAndreev', submitToDomainId: '0', isAutosave: 'false', isSnapshot: 'false', isLiveEdit: 'true', isMinorEdit: 'false', indirectTeacher: 'false', todoCount: '0', isEditorComment: 'false', isApprovedComment: 'true', isResolved: 'false', snapshotText: '', anchorContext: '', anchorText: '', anchorOffset: '0', mergedInto: '', isDeleted: 'false', viewCount: '34', text: 'Given an encoding scheme $E$ which gives an [3x4] of a message $m,$ we can in principle design a more efficient coding $E^\\prime$ that gives a shorter encoding of $m.$ For example, $E$ encodes 8-letter English words as a series of letters, $m$ is aardvark, then $E(m)$ is intradependent (because you already know what the message is by the time you've seen "aardv"), so you can define an alternative encoding $E^\\prime$ which encodes "aardvark" as just "aardv", thereby saving three letters.\n\nThe practice of taking an intradependent encoding and finding a more efficient one is known as [compression].', metaText: '', isTextLoaded: 'true', isSubscribedToDiscussion: 'false', isSubscribedToUser: 'false', isSubscribedAsMaintainer: 'false', discussionSubscriberCount: '1', maintainerCount: '1', userSubscriberCount: '0', lastVisit: '', hasDraft: 'false', votes: [], voteSummary: 'null', muVoteSummary: '0', voteScaling: '0', currentUserVote: '-2', voteCount: '0', lockedVoteType: '', maxEditEver: '0', redLinkCount: '0', lockedBy: '', lockedUntil: '', nextPageId: '', prevPageId: '', usedAsMastery: 'false', proposalEditNum: '0', permissions: { edit: { has: 'false', reason: 'You don't have domain permission to edit this page' }, proposeEdit: { has: 'true', reason: '' }, delete: { has: 'false', reason: 'You don't have domain permission to delete this page' }, comment: { has: 'false', reason: 'You can't comment in this domain because you are not a member' }, proposeComment: { has: 'true', reason: '' } }, summaries: {}, creatorIds: [ 'NateSoares' ], childIds: [], parentIds: [ 'information_theory' ], commentIds: [], questionIds: [], tagIds: [ 'start_meta_tag' ], relatedIds: [], markIds: [], explanations: [], learnMore: [], requirements: [], subjects: [], lenses: [], lensParentId: '', pathPages: [], learnMoreTaughtMap: {}, learnMoreCoveredMap: {}, learnMoreRequiredMap: {}, editHistory: {}, domainSubmissions: {}, answers: [], answerCount: '0', commentCount: '0', newCommentCount: '0', linkedMarkCount: '0', changeLogs: [ { likeableId: '0', likeableType: 'changeLog', myLikeValue: '0', likeCount: '0', dislikeCount: '0', likeScore: '0', individualLikes: [], id: '11425', pageId: '3x3', userId: 'NateSoares', edit: '2', type: 'newEdit', createdAt: '2016-05-29 16:38:50', auxPageId: '', oldSettingsValue: '', newSettingsValue: '' }, { likeableId: '0', likeableType: 'changeLog', myLikeValue: '0', likeCount: '0', dislikeCount: '0', likeScore: '0', individualLikes: [], id: '11424', pageId: '3x3', userId: 'NateSoares', edit: '1', type: 'newEdit', createdAt: '2016-05-29 16:38:14', auxPageId: '', oldSettingsValue: '', newSettingsValue: '' }, { likeableId: '0', likeableType: 'changeLog', myLikeValue: '0', likeCount: '0', dislikeCount: '0', likeScore: '0', individualLikes: [], id: '11421', pageId: '3x3', userId: 'NateSoares', edit: '1', type: 'newTag', createdAt: '2016-05-29 16:38:11', auxPageId: 'start_meta_tag', oldSettingsValue: '', newSettingsValue: '' }, { likeableId: '0', likeableType: 'changeLog', myLikeValue: '0', likeCount: '0', dislikeCount: '0', likeScore: '0', individualLikes: [], id: '11420', pageId: '3x3', userId: 'NateSoares', edit: '1', type: 'newParent', createdAt: '2016-05-29 16:38:07', auxPageId: 'information_theory', oldSettingsValue: '', newSettingsValue: '' } ], feedSubmissions: [], searchStrings: {}, hasChildren: 'false', hasParents: 'true', redAliases: {}, improvementTagIds: [], nonMetaTagIds: [], todos: [], slowDownMap: 'null', speedUpMap: 'null', arcPageIds: 'null', contentRequests: {} }