Logic · Grades 8–10
Truth Table Drill
A statement appears. You fill the T and F cells. Nothing is marked until you press Check.
Practice table
Letter columns are filled in. Tap each open cell, or tab to it and press Space. The order of rows is the standard order from Lesson 6.2.
The five tables, if you want a reminder
- ~ flips T and F.
- • is T only when both sides are T.
- ∨ is F only when both sides are F.
- ⊃ is F only when the antecedent is T and the consequent is F.
- ≡ is T when the two sides match.