'Sound shows doppler effect' presentation slideshows

CRCT Question

CRCT Question. According to the big bang theory, the universe is about 470 billion years old. 500 billion years old. 4.7 billion years old. 13.7 billion years old. Last Unit of the year!!!!!. Ready, Set, GO. Prove that the following wff is valid by means of resolution:

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Prove that the following wff is valid by means of resolution: ?xp(x)v ?xq(x)? ?x ? p(x)vq(x) ?

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Prove that the following wff is valid by means of resolution: ?xp(x)v ?xq(x)? ?x ? p(x)vq(x) ?

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Prove that the following wff is valid by means of resolution: ?xp(x)v ?xq(x)? ?x ? p(x)vq(x) ?

293 views • 29 slides