Roboguru

Diberikan premis-premis berikut: P1: Jika pertunj...

Diberikan premis-premis berikut:

P1: Jika pertunjukkan bagus maka penonton banyak yang antri.

P2: Jika penonton banyak yang antri maka penjualan tiket cepat habis

Kesimpulan yang sah dari kedua premis di atas adalah ...

  1. Pertunjukkan baguss

  2. Penjualan tiket cepat habis

  3. Pertunjukan bagus tetapi penjualan tiket tidak habis

  4. Pertunjukkan bagus atau penjualan tiket cepat habis

  5. Jika pertunjukan bagus maka penjualan tiket cepat habis

Jawaban:

S i log i s m e space  P 1 colon space p rightwards arrow q space  P 2 colon space q rightwards arrow r space  therefore p rightwards arrow r space  space space D i k e t a h u i colon  P r e m i s space 1 colon space stack " J i k a space p e r t u n j u k a n space b a g u s space with underbrace below space stack m a k a with underbrace below space stack p e n o n t o n space b a n y a k space y a n g space a n t r i with underbrace below  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space p space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space rightwards arrow space space space space space space space space space space space space space space space space space space space space space space space space q  P r e m i s space 2 colon space stack " J i k a space p e n o n t o n space b a n y a k space y a n g space a n t r i with underbrace below space stack m a k a with underbrace below space stack p e n j u a l a n space t i k e t space c e p a t space h a b i s " with underbrace below  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space p space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space rightwards arrow space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space q  P r e m i s space 1 space d a n space P r e m i s space 2 space m e r u p a k a n space s i log i s m e comma space m a k a space k e s i m p u l a n n y a space a d a l a h semicolon space  therefore p rightwards arrow r space space  therefore space “ J i k a space p e r t u n j u k a n space b a g u s space m a k a space p e n j u a l a n space t i k e t space c e p a t space h a b i s ”

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