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A palindrome is a word, number, phrase, or other sequence of symbols that reads the same backwards as forwards, such as the sentence: "A man, a plan, a canal – Panama". ". Following is a list of palindromic phrases of two or more words in the English language, found in multiple independent collections of palindromic phra
The palindromic density of an infinite word w over an alphabet A is defined to be zero if only finitely many prefixes are palindromes; otherwise, letting the palindromic prefixes be of lengths n k for k=1,2,... we define the density to be
In mathematics, a palindromic number (also known as a numeral palindrome) is a number that remains the same when its digits are reversed through a vertical axis (but not necessarily visually). The palindromic numbers containing only 1, 8, and 0, constitute natural numeric ambigrams (visually symmetrical through a mirror).
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Lipogram: a writing in which certain letter is missing Univocalic: a type of poetry that uses only one vowel; Palindrome: a word or phrase that reads the same in either direction; Pangram: a sentence which uses every letter of the alphabet at least once; Tautogram: a phrase or sentence in which every word starts with the same letter
Other sections of the book cover palindromes of various forms, including palindromic poetry by J. A. Lindon, Graham Reynolds, and Bergerson himself. Among these is Bergerson's "Edna Waterfall", a 1039-letter poem which was for some time listed by the Guinness Book of World Records as the longest palindrome in English.
His palindromic poems appeared occasionally in Word Ways: The Journal of Recreational Linguistics, and several were collected in Howard W. Bergerson's Palindromes and Anagrams. [5] Lindon is also noted as being the world's first writer of vocabularyclept poetry, in which poems are constructed by rearranging the words of an existing poem. [1] [6]
A Sator Square (laid out in the SATOR-format), etched onto a wall in the medieval fortress town of Oppède-le-Vieux, France. The Sator Square (or Rotas-Sator Square or Templar Magic Square) is a two-dimensional acrostic class of word square containing a five-word Latin palindrome. [1]