input question: Fix spacing: UsingmethodsofChasles,withSchröder'slogicalcalculusasamodel,hesetupasystemtosolvesuchproblems,hecalledittheprincipalofconservationofthenumber.Hilbert,in1900,askedforaproof,whichwasgivenbySeveriin1912.

output answer: Using methods of Chasles , with Schröder 's logical calculus as a model, he set up a system to solve such problems, he called it the principal of conservation of the number. Hilbert , in 1900, asked for a proof, which was given by Severi in 1912.


input question: Fix spacing: Nowtheteamscanseehowtheyrateagainsteachother.

output answer: Now the teams can see how they rate against each other.


input question: Fix spacing: TheCreation.FramedcopiesofHolbein'sGreatDanceofDeathmadebyJanezVajkardValvasor.There'salargerversionhere:Creation.

output answer: The Creation. Framed copies of Holbein's Great Dance of Death made by Janez Vajkard Valvasor. There's a larger version here: Creation.


input question: Fix spacing: InthecasethatyourQLPfiledoesn'topen,itishighlylikelythatyoudonothavethecorrectsoftwareapplicationinstalledonyourPCtovieworeditQLPfileextensions.

output answer:
In the case that your QLP file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit QLP file extensions.