Translating English Sentences to Logical Expressions

Discrete Mathematics: Translating English Sentences to Logical Expressions.
Topics discussed:
1) Solved questions about translating the English sentences into logical expressions.

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[rajshekhar]

H/W prob. ans:
Domain : All students
P(x) : x students has taken more than 21 credit hours in a semester.
Q(x) : x received all A's
So,
∃x[P(x)^Q(x)]

[iftstv]

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[At-wldr]

Thank you, you are wonderful in your explanation, I'm studying this course at the university now, I benefit very much from you and wish you a little hurry to complete it

[OK-rieu]

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[muskansharma]

Sir, Please complete the series of Data Structure and Algorithms as early as possible.

[ashutoshranjan]

Domain-all student
P(x):x >21 credits in semester
Q(x):x has recieved 'A' in all subjects
-】(p(x)^q(x))

[tonmoydas]

Make videos on the computer organization & architecture

[normalguy]

"no large bird live on honey"... is it wrong to negate the Q(x) instead of negating the R(x)?

[aneesakhan]

Domain: Set of all the people on the planet
S(x) : x is a student
C(x): x has taken more than 21 credit hours in a semester
A(x): x has received all A's
∃x[S(x)^C(x)^A(x)]
Is this correct?
If not, please point out the error.

[ajaysingh-kdnt]

birds that do not live on honey are dullin color
can also be written as there exist some bird that does not live on honey and are dullin color

[kajalmondal]

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[mert_kaan_yilmaz]

You are a legend.
"isn't that so?"

[worlddream]

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[devukun]

Me ; " I don't understand anything ....

Neso : " Don't worry my child I'll teach you.."

[vedantthakur]

Sir please complete discreet mathematics

[jayxcoder]

Domain: all people on the planet earth.
P(x): x is a student.
Q(x): x has taken more than 21 credit hours in a semester.
R(x): x has received all A's.

Ans: ∃ x [P(x) ∧ Q(x) ∧ R(x)]
"There exists x such that x is a student and x has taken more than 21 credit hours in a semester exam and x has received all A's."

[sakshamchhatkuli]

All of my confusion is completely cleared!

[nekodhaisuki]

Sir, can we write it as this way too? Hope you reply sir :)

Domain: All students
P(x) : "x has taken more than 21 credit hours in a semester."
S(x, y) : "x received y"

∃x[ P(x) ^ ∀y( S(x, y)) ]

[kushagratiwari]

Domain: All people.
S(x): x is a student.
P(x): x has taken more than 21 credit hrs in a sem.
Q(x): x has received all A's.
then
∃x (S(x) ^ P(x) ^ Q(x))

[kunaldhyani]

Domain : All students
Let P(x) = x has taken 21 credits
Q(x) = x has received all A's

Answer to 5:45 = ∃x [ P(x) ^ Q(x) ]