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quantifiers and variables - propositional modelthere is one question is arrives that what do sentences containing variables mean in other way of
predicates in propositional modelthe predicates take a number of arguments in which for now we assume are ground terms and represent a relationship
terms in propositional modelthere in first-order logic allows us to talking about properties of objects that the first job for our model delta theta
propositional modelhence a propositional model was simply an assignments of truth values to propositions in distinguish a first-order model is a pair
first-order modelshere if we proposed first-order logic as a good knowledge representation language than propositional logic is just because there is
unit resolutionby assuming that we knew the sentence as tony blair is prime minister or may the moon is made of blue cheese is true or we later found
or-introduction thus if we know about one thing is true and also we know that a sentence when there thing is in a disjunction is true here if we
and-introductionin generally english says that if we know that a lot of things are true so we know that the conjunction of all of them is true then
and-elimination rulein generally english says that if you know that lots of things are all true so you know like any one of them is also true because
implication connective - modus ponens rulewe notice that this is a trivial example so it highlights how we use truth tables as the first line is the
propositional inference rulespropositional inference rules equivalence rules are mostly useful because of the vice-versa aspect that means like we
eequivalences rulesthis conveys a meaning that is actually much simpler so than you would think on first inspection hence we can justify this by
equivalencesin this following miscellaneous equivalence rules are often useful during rewriting sessions so there the first two allow us to
double negation all parents are forever correcting their children for the find of double negatives there we have to be very alert with them in
associativity of connectives here brackets are very important in order to tell us where to perform calculations in arithmetic and logic by using
extension of propositional logicaway from proving theorems directly and the other main use for rewrite rules is to prepare a statement just for
rule in a single direction - equivalences ruleshence there the power to replace sub expressions always allows use to prove theorems with
replacement and substitutionhowever equivalences allow us to change one sentence with another without affecting the meaning it means we know already
fermi level electrons in solids obey fermi-dirac fd statistics this statistics accounts for the indistinguishability of the electrons their wave
phenomenon - fet operationfor either improvement- or depletion-mode devices at drain-to-source voltages very much less than gate-to-source voltages
carrier concentrations for the calculation of semiconductor electrical properties and analyzing device behavior it is necessary to know the number of
gate terminal - field-effect transistorthe names of the terminals consider to their functions the gate terminal might be thought of since controlling
field-effect transistorthe field-effect transistor that is abbreviated as fet relies on an electric field to control the shape and therefore the
intrinsic material a perfect semiconductor crystal with no impurities or lattice defects no carriers at 0 k since the valence band is completely full
notations that are used in transistor circuits- hie h11e short circuit input