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The alchemical symbol for the sun and various sun gods. Also the alchemical symbol for gold which is the metal represented by the Sun which is the astral counterpart. Cross of Saint Peter (Petrine Cross) Peter requested to be crucified upside down, as he felt unworthy to die in the same manner as Christ. Used as a symbol of Saint Peter. A very ...
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
Segol (modern Hebrew: סֶגּוֹל, IPA:; formerly סְגוֹל , səḡôl) is a Hebrew niqqud vowel sign that is represented by three dots forming an upside down equilateral triangle "ֶ ". As such, it resembles an upside down therefore sign (a because sign ) underneath a letter.
According to Florian Cajori in A History of Mathematical Notations, Johann Rahn used both the therefore and because signs to mean "therefore"; in the German edition of Teutsche Algebra (1659) the therefore sign was prevalent with the modern meaning, but in the 1668 English edition Rahn used the because sign more often to mean "therefore".
The nabla is a triangular symbol resembling an inverted Greek delta: [1] or ∇. The name comes, by reason of the symbol's shape, from the Hellenistic Greek word νάβλα for a Phoenician harp, [2] [3] and was suggested by the encyclopedist William Robertson Smith in an 1870 letter to Peter Guthrie Tait.
The white knot is a symbol of support for same-sex marriage in the United States. The white knot combines two symbols of marriage, the color white and "tying the knot," to represent support for same-sex marriage. [117] The white knot has been worn publicly by many celebrities as a means of demonstrating solidarity with that cause. [118]
A 1974 Supreme Court decision upheld the right to display a flag upside down after a university student was accused of violating state law by hanging a flag upside down with peace symbols affixed ...
Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine