awesome-self-reference
Self-reference examples
A curated collection of examples and references to self-referential concepts across various domains
A curated list of examples of self-reference in art, science, and technology
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Awesome Self-Reference / Art | |||
| The Treachery of Images | A painting by René Magritte | ||
| Triple Self-Portrait | A painting by Norman Rockwell | ||
| Mise en abyme | A formal technique of placing a copy of an image within itself | ||
| Droste effect | The effect of a picture recursively appearing within itself, in a place where a similar picture would realistically be expected to appear | ||
Awesome Self-Reference / Language | |||
| Autogram | A sentence that describes itself in the sense of providing an inventory of its own characters | ||
| Fumblerule | A rule of language or linguistic style, humorously written in such a way that it breaks this rule | ||
| Recursive acronym | An acronym that refers to itself | ||
Awesome Self-Reference / Mathematics | |||
| Liar's paradox | This sentence is false | ||
| Russell's paradox | Does the set of all those sets that do not contain themselves contain itself? | ||
| Trott's constant | The unique number whose digits equal its continued fraction coefficients | ||
| 13532385396179 | A number that is its own prime factorization, that is 13532385396179 = 13 × 53² × 3853 × 96179 | ||
| Tupper's self-referential formula | A formula that visually represents itself when graphed at a specific location in the (x, y) plane | ||
| Life in Life | Conway's Game of Life running inside Conway's Game of Life using OTCA metapixels | ||
Awesome Self-Reference / Computing | |||
| Quine | A computer program that takes no input and produces a copy of its own source code as its only output | ||
Awesome Self-Reference / Computing / Quine | |||
| An Ouroboros Quine | 14,061 | almost 2 years ago | A Ruby program that generates Rust program that generates Scala program that generates (through 128 languages in total) REXX program that generates the original Ruby code again |
| A radiation hardened quine | 680 | about 5 years ago | A Ruby quine that remains a quine after any one of the characters in its source code is removed |
| quinesnake | 917 | about 7 years ago | A quine that plays snake over its own source |
| The Qlobe | A Ruby quine with an ASCII image of a globe in its source code that rotates by 45 degrees after each run, eventually coming around after eight runs | ||
| html_wysiwyg | A truly naked, brutalist html quine | ||
Awesome Self-Reference / Computing | |||
| hashquine_by_retr0id.png | A PNG image of the ouroboros that displays its own MD5 hash | ||
| Meta-circular evaluator | An interpreter that defines each feature of the interpreted language using a similar facility of the interpreter's host language | ||
| A Micro-Manual for LISP - Not the whole truth | 120 | almost 3 years ago | The LISP interpreter written in LISP |
| Fix-point combinator | A higher-order function fix that, for any function f that has an attractive fixed point, returns a fixed point x of that function | ||
| Universal Turing machine | A Turing machine that can simulate an arbitrary Turing machine on arbitrary input | ||
| Bootstrapping | A technique for producing a self-compiling compiler - that is, compiler (or assembler) written in the source programming language that it intends to compile | ||
| Man man | Manual pager man page (accessed using ) | ||
Awesome Self-Reference / Web | |||
| Wikipedia | An article about Wikipedia on Wikipedia | ||
| Wayback Machine | Snapshots of The Internet Archive stored in The Internet Archive | ||
| Quine Tweet | A tweet that quote tweets itself | ||
| Awesome Self-Reference | 265 | almost 2 years ago | A curated list of examples of self-reference in art, science, and technology, which includes itself |
Awesome Self-Reference / Other | |||
| Hofstadter's law | "It always takes longer than you expect, even when you take into account Hofstadter's Law" | ||
| Miniatur Wunderland | The world's largest model railway in Hamburg, Germany has a model of itself in its model of Hamburg | ||
| Untitled Goose Game | The village where Untitled Goose Game takes place contains a small model version of itself, and also a tiny version of the model inside that | ||
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