Projective Space Bundle [TOPOS]

________ ________ __________<br>___ __ \__________________(_)____________ /___(_)__ ______<br>__ /_/ /_ ___/ __ \____ /_ _ \ ___/ __/_ /__ | / / _ \<br>_ ____/_ / / /_/ /___ / / __/ /__ / /_ _ / __ |/ // __/<br>/_/ /_/ \____/___ / \___/\___/ \__/ /_/ _____/ \___/<br> /___/<br> .dBBBBP dBBBBBb dBBBBBb dBBBP dBBBP<br> BP dB' BB<br> ______ `BBBBb dBBBP' dBP BB dBP dBBP<br> (, / ) dBP dBP/) /) dBP BB dBP dBP<br> /---(dBBBBP' dBP/ // _dBBBBBBB dBBBBP dBBBBP<br> ) / ___ )(_(_/ (_(_(_(/__(/_<br>(_/ (