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Thirteen is at least the difference of a number v and 1
Learn the rules:
"at least" means "greater than or equal to".
"at most" means "less than or equal to".
Thirteen is at least the difference of a number v and 1
(Thirteen) (is at least) (the difference of a number v and 1)
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[Thirteen] (is greater than or equal to) (the difference of a number v and 1)
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13 ≥ v-1
13 ≥ v-1
+1 +1 <-- add +1 to both sides
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13 ≥ v
Edwin
