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MA2111 PENGANTAR MATEMATIKA Hendra Gunawan

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Analisis Pra-Pembuktian (lanjutan)<br />

Dalam rangka membuktikan Q benar (setelah<br />

mengasumsikan bahwa P benar), kita bisa melakukan<br />

proses maju dari P atau proses mundur<br />

dari Q.<br />

Q : segitiga XYZ sama kaki<br />

setara dengan<br />

Q1 : x = y<br />

z<br />

atau<br />

Q2 : x – y = 0<br />

(c) <strong>Hendra</strong> <strong>Gunawan</strong> (2015) 5<br />

x<br />

y

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