The main instrument to do so was the method of idea-variation that he invented.
We have explained Bolzano's method of idea-variation in section 3.6 with respect to single propositions.
Already in his theory of ideas Bolzano used a method which he was very proud to have invented: the method of idea-variation.
The basic insight underlying Bolzano's method of idea-variation is quite simple (WL II, 77 ff).. Let us take as our first example S1 the proposition [Kant is a German philosopher].
Thus, Bolzano's philosophy has not remained completely ineffectual: We know that Twardowski was well familiar with Bolzano (Twardowski 1894), and we know that Łukasiewicz was well acquainted with Bolzano's method of idea-variation, as a section in his book on Logical Foundations of Probability Theory (Łukasiewicz 1913, § 24) shows.
So now, the UK's Governments new campaign "The Spending Challenge" is a sort of crowd sourced method of getting ideas to reduce UK national debt.
The group called themselves "The Postal Service" because of this method of trading ideas.
Blogs have become the traditional method of sharing ideas and experiences that others can use in pursuit of personal success and wellness.
The most common method of making this idea precise and rigorous employs the notion of "escaping to infinity".
GB: idea development, statistics and presentation of the findings, TLH: PI of the young-HUNT study, development of the idea and supervision of method, LC: idea development, analysis and presentation, NB: development of idea, presentation, main supervisor.
The group was focused on issues of globalization, imperialism and neoliberalism, employing visual arts as a method of disseminating political ideas.
