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It is possible that you are studying modal logic. https://billwadge.wordpress.com/2015/09/30/i-deduce-you-are-studying-logic/ https://billwadge.wordpress.com/2

by junke 8y ago

It is possible that you are studying modal logic. https://billwadge.wordpress.com/2015/09/30/i-deduce-you-are-studying-logic/ https://billwadge.wordpress.com/2015/09/30/i-deduce-you-are-...