def validate_instance_node(instance_node, answer_node = nil)
			is_valid = (!instance_node.value.to_s.empty? && instance_node.value.to_f >= self.value.to_f)

			instance_node.errors[:base] << { :nodes => { answer_node.id => ["MINIMUM_VALUE"] } } if !is_valid

			is_valid
		end
def validate_instance_node(instance_node, answer_node = nil)
			is_valid = (!instance_node.value.to_s.empty? && instance_node.value.to_f >= self.value.to_f)

			instance_node.errors[:base] << { :nodes => { answer_node.id => ["MINIMUM_VALUE"] } } if !is_valid

			is_valid
		end
Validate the instance_node value is greater than the minimum