Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > reximdai | Unicode version |
Description: Deduction from Theorem 19.22 of [Margaris] p. 90. (Restricted quantifier version.) (Contributed by NM, 31-Aug-1999.) |
Ref | Expression |
---|---|
reximdai.1 | |
reximdai.2 |
Ref | Expression |
---|---|
reximdai |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | reximdai.1 | . . 3 | |
2 | reximdai.2 | . . 3 | |
3 | 1, 2 | ralrimi 2546 | . 2 |
4 | rexim 2569 | . 2 | |
5 | 3, 4 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wnf 1458 wcel 2146 wral 2453 wrex 2454 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1445 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-4 1508 ax-ial 1532 |
This theorem depends on definitions: df-bi 117 df-nf 1459 df-ral 2458 df-rex 2459 |
This theorem is referenced by: reximdvai 2575 bezoutlemstep 11964 isomninnlem 14261 ismkvnnlem 14283 |
Copyright terms: Public domain | W3C validator |