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Mirrors > Home > NFE Home > Th. List > anim2d | Unicode version |
Description: Add a conjunct to left of antecedent and consequent in a deduction. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
anim1d.1 |
Ref | Expression |
---|---|
anim2d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | idd 21 | . 2 | |
2 | anim1d.1 | . 2 | |
3 | 1, 2 | anim12d 546 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 358 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-3 7 ax-mp 8 |
This theorem depends on definitions: df-bi 177 df-an 360 |
This theorem is referenced by: moeq3 3013 ssel 3267 sscon 3400 uniss 3912 copsexg 4607 ssopab2 4712 coss1 4872 fununi 5160 imadif 5171 fss 5230 weds 5938 |
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