Translate to English: Pang-ilang Presidente ng Pilipinas si President Corazon Aquino?

May thread kasi sa SULIT forum tungkol kung Sino ang Mas Matalino, iyung mgaling sa English o magaling sa Math? 

Definitely, Math ang isasagot k. You really need to practice thinking there. Sa English, while admirable, you can develop it by sheer habit especially if you grew up in an environment where people are perennially English-speaking.

Eh may nanghamon nung ever puzzling Question nung hindi masagot ng mga magagaling sa English ang tanong ko sa Mathematical Logic at Abstract Algebra. Pang-ilang Presidente ng Pilipinas si President Corazon Aquino?

Alam nating walang direct English statement that could word-for-word translate it. Kaya ginawa ko, I used mathematical statements. Alam kong valid ito.

Let x be an element of X where X is the set containing past, present, and future Philippine Presidents.

Consider the statement:  x is the nth President of the Philippines. (n is a natural number)

Suppose x = Corazon Aquino, what is the value of n? 

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