Dokažite sljedeću logičku tvrdvnju
Prove the following logical statement
[lang=hr]
Dokažite sljedeću logičku tvrdvnju
$$(p \to q) \to (q \to r) \to (p \to r).$$
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[lang=en]
Prove the following logical statement
$$(p \to q) \to (q \to r) \to (p \to r).$$
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