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 Philosophical analysis of two-valued deductive logic.
<strong>Philippine Social Sciences Review</strong>, [S.l.], jan. 2012.
ISSN 2672-3158.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pssr/article/view/2721" target="_new">https://www.journals.upd.edu.ph/index.php/pssr/article/view/2721</a>&gt;. Date accessed: 06 aug. 2025.