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Propositional truth tables:
There {X\t} is a substitution that replaces all occurances of variable X with a term representing an object t as:
By repeating this for all the quantifiers than we get a set of ground formulae in which we have to check that if the original sentence is true or false. But unfortunately, we don't have specified there that our domain Δ is finite - like in example we see that it may contain the natural numbers - but there may be a infinite number of sentences to check for a given model! So there may be also be an infinite number of models. And although we have a proper definition of model hence a proper semantics for first-order logic and we can't rely on having a finite number of models like we did where drawing propositional truth tables.
Define the Edge-Triggered Flip-flops? An edge-triggered flip-flop changes states either at the negative edge (falling edge) or at the positive edge (rising edge) of the clock p
what are the featrures of doubly link list.??????/
Explain briefly, why dynamic RAMs require refreshing? Ans: Due to the charge's natural tendency to distribute itself in a lower energy-state configuration that is, the charg
Bitwise-Inclusive-OR Operator: inclusive-OR-expression : exclusive-OR-expression inclusive-OR-expression | exclusive-OR-expression The bitwise-inclusive-OR operator
write er diagram for company database
Disadvantages of macro processor
In a particular exchange during busy hour 1200 calls were offered to a group of trunks, during this time 6 calls were lost. The average call duration being 3 minutes Calculate Tr
What are the two ways for restricting the value range for a domain? By specifying fixed values. By stipulating a value table.
How can common bus system be constructed A common bus system could be constructed using multiplexers. These multiplexers select source register whose binary information is then
The PHP Hypertext Pre processor is a programming language that permits web developers to make dynamic content that interacts with databases. PHP is basically used for developing we
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