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Mirrors > Home > ILE Home > Th. List > stoic3 | Unicode version |
Description: Stoic logic Thema 3.
Statement T3 of [Bobzien] p. 116-117 discusses Stoic logic thema 3. "When from two (assemblies) a third follows, and from the one that follows (i.e., the third) together with another, external external assumption, another follows, then other follows from the first two and the externally co-assumed one. (Simp. Cael. 237.2-4)" (Contributed by David A. Wheeler, 17-Feb-2019.) |
Ref | Expression |
---|---|
stoic3.1 | |
stoic3.2 |
Ref | Expression |
---|---|
stoic3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | stoic3.1 | . . 3 | |
2 | stoic3.2 | . . 3 | |
3 | 1, 2 | sylan 267 | . 2 |
4 | 3 | 3impa 1099 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 w3a 885 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 df-3an 887 |
This theorem is referenced by: f1imaeng 6272 absdiflt 9688 absdifle 9689 |
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