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Torthaí gaolmhara
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Matamaitic » Loighic & Tacartheoiric Chun gur ball de thacar fírinne abairte oscailte é ball x atá ina bhall den uilethacar is gá agus is leor gur tairiscint fhíor atá mar thoradh ar é a chur in ionad na hathróige.
Mathematics » Logic & Set Theory An element x which is a member of the universal set, is an element of the truth set of an open sentence if and only if its substitution results in a true proposition.
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Matamaitic » Loighic & Tacartheoiric Féadann luach loighciúil tairisceana a bheith fíor nó bréagach ach ní fhéadann sé a bheith fíor agus bréagach.
Mathematics » Logic & Set Theory The truth value of a proposition may be either true or false but not both.
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Matamaitic » Loighic & Tacartheoiric Is ionann tacar fírinne abairte oscailte agus tacar na n-eilimintí sin go léir den uilethacar a dtarlaíonn tairiscintí fíora de bharr iad a chur in ionad na hathróige san abairt oscailte.
Mathematics » Logic & Set Theory The truth set of an open sentence is the set of all those elements of the universal set whose substitution in the open sentence results in true propositions.