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Mirrors > Home > ILE Home > Th. List > baroco | Unicode version |
Description: "Baroco", one of the syllogisms of Aristotelian logic. All is , and some is not , therefore some is not . (In Aristotelian notation, AOO-2: PaM and SoM therefore SoP.) For example, "All informative things are useful", "Some websites are not useful", therefore "Some websites are not informative." (Contributed by David A. Wheeler, 28-Aug-2016.) |
Ref | Expression |
---|---|
baroco.maj | |
baroco.min |
Ref | Expression |
---|---|
baroco |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | baroco.min | . 2 | |
2 | baroco.maj | . . . . 5 | |
3 | 2 | spi 1469 | . . . 4 |
4 | 3 | con3i 594 | . . 3 |
5 | 4 | anim2i 334 | . 2 |
6 | 1, 5 | eximii 1533 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 102 wal 1282 wex 1421 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-ial 1467 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: (None) |
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