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I am reading the book Mathematical Logic by Ian Chiswell and Wilfred Hodges (C&H) ... and am currently focused on Chapter 2: Informal Natural Deduction ...
I need help with what C&H call the 'dandah' or more specifically symbols with a dandah through them ...
The relevant text in C&H explaining and showing the use of the dandah is as follows (C&H page 17) ...
https://www.physicsforums.com/attachments/5002
In the above text we read the following:
" ... ... we discharge $$\phi$$ by writing a dandah through it ... ... "
My question is as follows:
Is there Latex code so that we can represent $$\phi$$ with a dandah through it as shown in the extract from C&H above ... can someone explain how such a symbol can be achieved in Latex?
Would be grateful for some help ... ...
Peter
I need help with what C&H call the 'dandah' or more specifically symbols with a dandah through them ...
The relevant text in C&H explaining and showing the use of the dandah is as follows (C&H page 17) ...
https://www.physicsforums.com/attachments/5002
In the above text we read the following:
" ... ... we discharge $$\phi$$ by writing a dandah through it ... ... "
My question is as follows:
Is there Latex code so that we can represent $$\phi$$ with a dandah through it as shown in the extract from C&H above ... can someone explain how such a symbol can be achieved in Latex?
Would be grateful for some help ... ...
Peter