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Mirrors > Home > MPE Home > Th. List > Mathboxes > int2 | Structured version Visualization version Unicode version |
Description: The virtual deduction introduction rule of converting the end virtual hypothesis of 2 virtual hypotheses into an antecedent. Conventional form of int2 38831 is ex 450. (Contributed by Alan Sare, 23-Apr-2015.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
int2.1 |
Ref | Expression |
---|---|
int2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | int2.1 | . . . 4 | |
2 | 1 | dfvd2ani 38799 | . . 3 |
3 | 2 | ex 450 | . 2 |
4 | 3 | dfvd1ir 38789 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wvd1 38785 wvhc2 38796 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-an 386 df-vd1 38786 df-vhc2 38797 |
This theorem is referenced by: sspwimpVD 39155 sspwimpcfVD 39157 suctrALTcfVD 39159 |
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