← All courses
Step by step

Logic Investigations

We analyze our own conditional stories: we exclude options, build order, check the inscriptions and distinguish the obligatory conclusion from the possible one.

Trial tasks are available without registration. To save results, start classes in your student profile.

Original cover of the course “Logical Investigations”
  • 10Thematic lessons
  • 10Sequential lessons
  • 50Scored tasks
  • 10Theory sections
From topic to practice

What will we study

Choose a section or take classes in order. Both modes use the same objectives and results.

Evidence and assignmentsLet's analyze the rule and apply it in independent tasks.
  1. Evidence rules out option

    Explicit condition; Exception; There's only one left.

    Tasks: 5 · Theory: 1 · Free lesson
  2. To each his own

    One to one; Busy place; General control.

    Tasks: 5 · Theory: 1 · Free lesson
Order and neighborsLet's analyze the rule and apply it in independent tasks.
  1. Who came first

    Order; Chain; All places.

    Tasks: 5 · Theory: 1
  2. Neighbors in line

    Immediately before; Block; Edge of the queue.

    Tasks: 5 · Theory: 1
Truth and PossibilitiesLet's analyze the rule and apply it in independent tasks.
  1. How many inscriptions are correct

    Checking the world; Quantity is given; We don't judge a person.

    Tasks: 5 · Theory: 1
  2. Several possible answers

    Valid option; Possible and obligatory; Don't make up evidence.

    Tasks: 5 · Theory: 1
Schedule and setsLet's analyze the rule and apply it in independent tasks.
  1. Schedule without intersections

    Conditional schedule; Before and after; Slots.

    Tasks: 5 · Theory: 1
  2. Two feature lists

    Set; Both lists; At least one.

    Tasks: 5 · Theory: 1
Paths and evidenceLet's analyze the rule and apply it in independent tasks.
  1. Link Path

    Communication established; Short way; All possibilities.

    Tasks: 5 · Theory: 1
  2. Is there enough information?

    Checking conclusions; Ambiguity; Helpful question.

    Tasks: 5 · Theory: 1

Two ways to practice

By section

The course consists of chapters and thematic lessons. You can focus on one topic and understand it step by step.

Step by step

Choose a grid of activities or a route map. Consecutive classes open in order. One lesson may contain tasks from different topics.

Learn at your own pace

Start with the first discovery

Free thematic lessons: 2. Free consecutive lessons: 2. Other classes open with Premium. Access is granted by the parent.

Completed tasks, stars and results are saved in the student’s profile. Hints and explanations help you figure out the answer.