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Jerusalem cross based on a cross potent (as commonly realised in early modern heraldry) The national flag of Georgia The Jerusalem cross (also known as "five-fold Cross", or "cross-and-crosslets" and the "Crusader's cross") is a heraldic cross and Christian cross variant consisting of a large cross potent surrounded by four smaller Greek crosses, one in each quadrant, representing the Four ...
Four-dimensional space (4D) is the mathematical extension of the concept of three-dimensional space (3D). Three-dimensional space is the simplest possible abstraction of the observation that one needs only three numbers, called dimensions, to describe the sizes or locations of objects in the everyday world.
The word cross is recorded in 11th-century Old English as cros, exclusively for the instrument of Christ's crucifixion, replacing the native Old English word rood.The word's history is complicated; it appears to have entered English from Old Irish, possibly via Old Norse, ultimately from the Latin crux (or its accusative crucem and its genitive crucis), "stake, cross".
A red Cross of Saint James with flourished arms, surmounted with an escallop, was the emblem of the twelfth-century Galician and Castillian military Order of Santiago, named after Saint James the Greater. Saint Julian Cross: A Cross Crosslet tilted at 45 degrees with the tops pointing to the 'four corners of the world'.
The Christian cross, seen as representing the crucifixion of Jesus, is a symbol of Christianity. [1] It is related to the crucifix, a cross that includes a corpus (a representation of Jesus' body, usually three-dimensional) and to the more general family of cross symbols.
The Dalí cross, a net of a tesseract The tesseract can be unfolded into eight cubes into 3D space, just as the cube can be unfolded into six squares into 2D space.. In geometry, a tesseract or 4-cube is a four-dimensional hypercube, analogous to a two-dimensional square and a three-dimensional cube. [1]
The use of a hypercube for the cross has been interpreted as a geometric symbol for the transcendental nature of God. Just as the concept of God exists in a space that is incomprehensible to humans, the hypercube exists in four spatial dimensions, which is equally inaccessible to the mind.
The tau cross is a T-shaped cross, sometimes with all three ends of the cross expanded. [1] It is called a "tau cross" because it is shaped like the Greek letter tau , [ 2 ] which in its upper-case form has the same appearance as the Latin letter T .