// Numbas version: exam_results_page_options
{"name": "When does the basic ruleset get turned on?", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"rulesets": {}, "ungrouped_variables": [], "statement": "<p>The following lines will show $x$ if the basic ruleset is turned on, and $-(-x)$ if it's turned off.</p>\n<table>\n<thead>\n<tr>\n<th>Code</th>\n<th>Display</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td><code nosubvars=\"\">\\simplify{-(-x)}</code></td>\n<td>$\\simplify{-(-x)}$</td>\n</tr>\n<tr>\n<td><code nosubvars=\"\">\\simplify[]{-(-x)}</code></td>\n<td>$\\simplify[]{-(-x)}$</td>\n</tr>\n<tr>\n<td><code nosubvars=\"\">\\simplify[!basic]{-(-x)}</code></td>\n<td>$\\simplify[!basic]{-(-x)}$</td>\n</tr>\n<tr>\n<td><code nosubvars=\"\">\\simplify[basic]{-(-x)}</code></td>\n<td>$\\simplify[basic]{-(-x)}$</td>\n</tr>\n<tr>\n<td><code nosubvars=\"\">\\simplify[collectnumbers]{-(-x)}</code></td>\n<td>$\\simplify[collectnumbers]{-(-x)}$</td>\n</tr>\n<tr>\n<td><code nosubvars=\"\">\\simplify[!basic,collectnumbers]{-(-x)}</code></td>\n<td>$\\simplify[!basic,collectnumbers]{-(-x)}$</td>\n</tr>\n</tbody>\n</table>", "variablesTest": {"maxRuns": 100, "condition": ""}, "preamble": {"js": "", "css": ""}, "tags": [], "parts": [], "variable_groups": [], "metadata": {"description": "<p>A short demonstration of when the basic simplification rules are turned on, or off.</p>", "licence": "Creative Commons Attribution 4.0 International"}, "advice": "", "name": "When does the basic ruleset get turned on?", "variables": {}, "type": "question", "extensions": [], "functions": {}, "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}