axiomas y teoremas Flashcards

1
Q

Si y y z tienen los mismos elementos entonces son iguales.
∀y∀z(∀x(x∈y⟺x∈z)→y=z)

A

Axioma extensionalidad.

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2
Q

¬∃y∀x(x∈y⟺x no pertenece a x)

A

Teorema antimonia de Russel

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3
Q

∀z∃y∀x(x∈y⟺∃w(w∈z∧x∈w))

A

Axioma Union

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4
Q

A⊆B⟺∀z(z∈A→z∈B)

A

Definition de subconjunto

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5
Q

∀z∃y∀x(x∈y⟺x⊆z)

A

Axioma del conjunto potencia

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6
Q

¬∃xA(x)

A

algo no satisface la propiedad A

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7
Q

∃xA(x)

A

Algo satisface la propiedad A

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8
Q

∀xA(x)

A

Todo satisface la propiedad A

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9
Q

∃x¬A(x)

A

Algo no satisface la propiedad a

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