Logical Systems Containing Only a Finite Number of Symbols

2-place predicate symbol 2e éd 3x F 3x G 4e session A₁ assign atomic formulas axiom schemata B₁ B₂ binary predicate symbol binary relation bound variables C₁ consider cylindric algebras cylindrification deduction relation denote element Equality axioms equality relation equivalent Eté F xwz F xyz Fact finite number first-order logic Fizy formal deductive systems formula of 22 free occurrences G xy G xyz G yx G yy geometrical Grammars Gy/r Gy/r+ Gy/rt H xwz H xyz h(GJ horizontal identities induction intersecting l'Université de Montréal lemma Leon HENKIN logically valid formulas obtained operations paraître picture polyadic algebras predicate logic Presses de l'Université proof provable formula Quantifier axiom recursive rules of inference schema set of sentences Special Axiom subset symbol G t₂ Tarski-Lindenbaum algebra theorem théorie universe verify vertical strip α α αβγ Ξα Α ху Эх