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|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.)
|1||stoic3.1||. . 3|
|2||stoic3.2||. . 3|
|3||1, 2||sylan 267||. 2|
|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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