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tax query

$tax_query = array(
	array(
		'taxonomy'         => 'All Object Topics',
		'terms'            => 'Object Topic',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'All Object Render Modes',
		'terms'            => 'Object Source',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'All Object Dev Cycles',
		'terms'            => 'Dev Cycle',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => true,
	),
	array(
		'taxonomy'         => 'All Object Sources',
		'terms'            => 'Object Source',
		'field'            => 'term_id',
		'operator'         => 'IN',
		'include_children' => true,
	),
);