for subject-specific typesetting involving logic notation.

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42 views

How can I type Genzen style deduction in LyX?

As a philosophy major student, I'm learning how to use LyX. And I don't know how to type genzen style deduction on LyX. And Is there any good reference for LyX like Peter smith's for LaTeX ...
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159 views

lplfitch package : Add line numbering on the left

I am using the package lplfitch to typeset natural deduction proofs in Fitch style. I would like to number the lines on the left side of the vertical bar instead of on the left of the formula? ...
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38 views

How do you write the double turnstille & its negation in ShareLaTeX?

I think the code for the double turnstile is \vDash and the code for its negation is \nvDash. Neither of these commands work for me in ShareLatex. I enter them, hit recompile and nothing appears. ...
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32 views

Vertical dots centred in Lemmon style derivation

I would like to center vertical dots in this derivation...I tried with \center but the dots remains in the left. \align can't work in the \ND enviroment. \documentclass{article} \usepackage{ND} ...