Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > 19.42vv | Unicode version |
Description: Theorem 19.42 of [Margaris] p. 90 with 2 quantifiers. (Contributed by NM, 16-Mar-1995.) |
Ref | Expression |
---|---|
19.42vv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exdistr 1787 | . 2 | |
2 | 19.42v 1786 | . 2 | |
3 | 1, 2 | bitri 173 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 97 wb 98 wex 1381 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-5 1336 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-4 1400 ax-17 1419 ax-ial 1427 |
This theorem depends on definitions: df-bi 110 |
This theorem is referenced by: 19.42vvv 1789 19.42vvvv 1790 exdistr2 1791 3exdistr 1792 ceqsex3v 2596 ceqsex4v 2597 elvvv 4403 dfoprab2 5552 resoprab 5597 ovi3 5637 ov6g 5638 oprabex3 5756 xpassen 6304 enq0enq 6529 enq0sym 6530 nqnq0pi 6536 |
Copyright terms: Public domain | W3C validator |