The seventh bucket contains 54 commonly used mathematical and logical symbols.
2.
Other logical symbols definable in terms of these can be used freely as notational shorthands.
3.
The non-logical symbols of a language of first-order logic consist of statements.
4.
Each dot ( or multiple dot ) represents either a left or right parenthesis or the logical symbol'".
5.
The equality symbol is sometimes treated as a non-logical symbol and sometimes treated as a symbol of logic.
6.
With the 6-dot code various combinations of braille characters can represent many technical, mathematical and logical symbols.
7.
For example, the logical symbol \ land always represents " and "; it is never interpreted as " or ".
8.
First one has to decide based on context whether the dots stand for a left or right parenthesis or a logical symbol.
9.
The talmudic method of discussion and demonstration tries to approximate mathematical precision, but without having recourse to mathematical or logical symbols.
10.
Moreover, when the dots stand for a logical symbol'" its left and right operands have to be deduced using similar rules.
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