Takanori Nishikawa his name was a play on Nishikawa's pseudonym with that band (Haine). [Heine's first name is written as in katakana.] The surnames of both Nishikawa and Westenfluss mean "west river" in Japanese (西川) and German (Westenfluß), respectively. "Ignited"'s title is closely similar to the mobile suit (GOUF Ignited) that Nishikawa's "GSD" character piloted. "Vertical infinity" was released on January 26, 2005 by Epic and exactly six months later by Tofu Records. The infinity symbol (∞), when facing vertically or turned sideways, looks like the number 8. That is also the number of original studio albums Nishikawa has released to date
Actual infinity infinity in "Physics" and in "Metaphysics". He distinguished between "actual" and "potential" infinity. "Actual infinity" is completed and definite, and consists of infinitely many elements. "Potential infinity" is never complete: elements can be always added, but never infinitely many. Aristotle distinguished between infinity with respect to addition and division. "As an example of a potentially infinite series in respect to increase, one number can always be added after another in the series that starts 1,2,3... but the process of adding more and more numbers cannot be exhausted or completed." With respect to division, a potentially infinite sequence of divisions starts