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The dimension of a vector space is the number of vectors in any basis for the space, i.e. the number of coordinates necessary to specify any vector. This notion of dimension (the cardinality of a basis) is often referred to as the Hamel dimension or algebraic dimension to distinguish it from other notions of dimension.
In the 12th century, Rashid al-Din Vatvat defined īhām as follows: "Īhām in Persian means to create doubt. This is a literary device, also called takhyīl [to make one suppose and fancy], whereby a writer (dabīr), in prose, or a poet, in verse, employs a word with two different meanings, one direct and immediate (qarīb) and the other remote and strange (gharīb), in such a manner that ...
Sierpiński Carpet - Infinite perimeter and zero area Mandelbrot set at islands The Mandelbrot set: its boundary is a fractal curve with Hausdorff dimension 2. (Note that the colored sections of the image are not actually part of the Mandelbrot Set, but rather they are based on how quickly the function that produces it diverges.)
Multiple independent timeframes, in which time passes at different rates, have long been a feature of stories. [15] Fantasy writers such as J. R. R. Tolkien and C. S. Lewis have made use of these and other multiple time dimensions, such as those proposed by Dunne, in some of their most well-known stories. [15]
According to the Sufi philosophies, the nafs in its unrefined state is "the ego", which they consider to be the lowest dimension of a person's inward existence—his animal and satanic nature. [4] Nafs is an important concept in the Islamic tradition, especially within Sufism and the discipline of gnosis ( irfan ) in Shia Islam .
Time travel can result in multiple universes if a time traveller can change the past. In one interpretation, alternative histories as a result of time travel are not parallel universes: while multiple parallel universes can co-exist simultaneously, only one history or alternative history can exist at any one moment, as alternative history usually involves, in essence, overriding the original ...
The Urdu Wikipedia (Urdu: اردو ویکیپیڈیا), started in January 2004, is the Standard Urdu-language edition of Wikipedia, a free, open-content encyclopedia. [1] [2] As of 21 December 2024, it has 215,803 articles, 188,258 registered users and 7,439 files, and it is the 54th largest edition of Wikipedia by article count, and ranks 20th in terms of depth among Wikipedias with over ...
ʿAjā'ib al-makhlūqāt wa gharā'ib al-mawjūdāt (Arabic: عجائب المخلوقات و غرائب الموجودات, meaning Marvels of creatures and Strange things existing) is an important work of cosmography by Zakariya ibn Muhammad ibn Mahmud Abu Yahya al-Qazwini who was born in Qazwin year 600 (AH (1203 AD).