// Numbas version: exam_results_page_options {"name": "Ioannis's copy of Implication", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"variablesTest": {"condition": "", "maxRuns": 100}, "rulesets": {}, "type": "question", "ungrouped_variables": ["a", "day1", "day2", "OddEven", "OE", "EO"], "tags": ["if then", "implication", "logic"], "variable_groups": [], "functions": {}, "parts": [{"displayColumns": 0, "displayType": "radiogroup", "matrix": ["1", "0"], "type": "1_n_2", "maxMarks": 0, "shuffleChoices": false, "showCorrectAnswer": true, "marks": 0, "variableReplacementStrategy": "originalfirst", "prompt": "

If  the integer $ \\var{a} $ is {OE}, then $ \\var{a}$ + 1  is {EO}.

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True

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False

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If the statements A and B are defined as

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A: Today is $ \\var{day1}$

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B: Tomorrow is $ \\var{day2}$

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then $ A \\Rightarrow B$.

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True

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Understanding of impication sign and 'if, then' structure in simple cases.

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The mathematical symbol $ \\Rightarrow $ should be read as 'implies that'.

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$ A \\Rightarrow B$ means that if $A$ is true then $B$ is forced to be true.

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The same idea is involved in the 'if... then' structure. It means that if the first part is true then the second part must be true.

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Decide if these statements are true or false.

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Implication sign and 'if, then' construction.

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