Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > r19.23 | Unicode version |
Description: Theorem 19.23 of [Margaris] p. 90 with restricted quantifiers. (Contributed by NM, 22-Oct-2010.) (Proof shortened by Mario Carneiro, 8-Oct-2016.) |
Ref | Expression |
---|---|
r19.23.1 |
Ref | Expression |
---|---|
r19.23 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | r19.23.1 | . 2 | |
2 | r19.23t 2423 | . 2 | |
3 | 1, 2 | ax-mp 7 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 98 wnf 1349 wral 2306 wrex 2307 |
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-ial 1427 ax-i5r 1428 |
This theorem depends on definitions: df-bi 110 df-nf 1350 df-ral 2311 df-rex 2312 |
This theorem is referenced by: r19.23v 2425 rexlimi 2426 rexlimd 2430 |
Copyright terms: Public domain | W3C validator |