{"id":4309,"date":"2022-09-12T11:41:53","date_gmt":"2022-09-12T09:41:53","guid":{"rendered":"https:\/\/erlebnisland-mathematik.de\/?page_id=4309"},"modified":"2023-01-26T14:35:30","modified_gmt":"2023-01-26T13:35:30","slug":"advanced-text-tower-of-ionah","status":"publish","type":"page","link":"https:\/\/erlebnisland-mathematik.de\/en\/advanced-text-tower-of-ionah\/","title":{"rendered":"Advanced text Tower of Ionah"},"content":{"rendered":"

[vc_row drowwidth=”sidebar-biest-default sidebar-biest”][vc_column][vc_column_text]<\/p>\n

Tower of Ionah<\/h1>\n

The “Tower of Ionah<\/em>” is the inversion (in a vertical direction) of the famous task of creating the “Tower of Hanoi<\/em>“. This reversal also gave rise to the name “Ionah<\/em>“, in that the sequence of the letters H, A, N, O, I changes into I, O, N, A, H by reading from right to left<\/em>.[\/vc_column_text][vc_single_image image=”1231″ img_size=”large” alignment=”center”]Figure 1[\/vc_single_image][vc_column_text]The story of the Tower of Ionah is thus also the story of the Tower of Hanoi (sometimes called the “Tower of Brahma<\/em>” or the “End of the World Puzzle<\/em>“; see below).<\/p>\n

The Tower of Hanoi — and by extension the Tower of Ionah — was invented in 1883 by the French mathematician Francois \u00c9duord Lucas<\/em> (1842–1891). At first, it was simply a game with the name “M. Claus<\/em>“.<\/p>\n

In a simple form, the Tower of Ionah — as in the Maths Adventure Land — consists of five circular discs, one above the other, concentric in a recess. The Tower of Ionah includes two similar depressions (cf. Figure 1). The task of the game is to transfer the discs of the tower from one of the three recesses to a second one, following two rules:<\/p>\n