Examlex
determine whether the given argument is valid or invalid. If it is invalid, select a counterexample.
-1. (∀x) [Fx ⊃ (Gx Hx) ]
2) (∀x) (Gx ⊃ ∼Ix)
3) ∼(∃x) (Hx • Ix)
4) Fg / ∼Ig
Exchange Rate
The value of a currency expressed in the amount of another currency that can be traded for it.
Trade Surplus
A situation where a country's exports exceed its imports, leading to a net inflow of domestic currency from foreign markets.
Trade Deficit
A situation where a country's imports exceed its exports during a specific time period.
Absolute Advantage
The capability of a body to generate a product or offer a service with greater efficiency than its rivals, utilizing an identical quantity of resources.
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