Proposition 22.1.33.04004F65B932 The operation $\lor $ is commutative and associative.
Proposition 22.1.3304004F65B932
Proof. This is a direct consequence of corollary 17.15.17. $\square$
04004F65B932Proposition 22.1.33.04004F65B932 The operation $\lor $ is commutative and associative.
Proof. This is a direct consequence of corollary 17.15.17. $\square$
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