ostensive

Seeming or professed; ostensible.

Showing; betokening.

Setting forth a general principle by virtue of which a proposition must be true. The old logicians supposed all strict proof to be either of this nature or else apagogic.

Showing; exhibiting.

a direct or positive demonstration, as opposed to the apagogical or indirect method.

Apparently true, but not necessarily; ostensible

Clearly demonstrative.

represented or appearing as such; pretended

manifestly demonstrative