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Mirrors > Home > ILE Home > Th. List > anc2li | Unicode version |
Description: Deduction conjoining antecedent to left of consequent in nested implication. (Contributed by NM, 10-Aug-1994.) (Proof shortened by Wolf Lammen, 7-Dec-2012.) |
Ref | Expression |
---|---|
anc2li.1 |
Ref | Expression |
---|---|
anc2li |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anc2li.1 | . 2 | |
2 | id 19 | . 2 | |
3 | 1, 2 | jctild 309 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia3 106 |
This theorem is referenced by: imdistani 433 equvini 1681 sssnm 3546 tfis 4324 indpi 6532 |
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