Asked by Heaven
An undisclosed number of friends gather for dinner. Each person shakes each other persons hand exactly once. How many handshakes occur?
Piti reasons that 2 people will have one handshake. For each person added, everyone in the earlier group will need to shake the new persons hand. So, when a third person is added there will be two new handshakes and therefore 1+2=3 handshakes altogether. Similarly, when the fourth person is added there will be 1+2+3=6 handshakes and when the fifth person is added there will be 1+2+3+4=10 handshakes. Piti concludes that if n people attend a party, there will be 1+2+3+...+(n-1) handshakes altogether.
A.) Explain how Pitis argument is inductive
B.) Explain how Pitis argument is deductive
These are the two questions I need help with. Thanks in advance.
Piti reasons that 2 people will have one handshake. For each person added, everyone in the earlier group will need to shake the new persons hand. So, when a third person is added there will be two new handshakes and therefore 1+2=3 handshakes altogether. Similarly, when the fourth person is added there will be 1+2+3=6 handshakes and when the fifth person is added there will be 1+2+3+4=10 handshakes. Piti concludes that if n people attend a party, there will be 1+2+3+...+(n-1) handshakes altogether.
A.) Explain how Pitis argument is inductive
B.) Explain how Pitis argument is deductive
These are the two questions I need help with. Thanks in advance.
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