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Mirrors > Home > ILE Home > Th. List > r19.12 | Unicode version |
Description: Theorem 19.12 of [Margaris] p. 89 with restricted quantifiers. (Contributed by NM, 15-Oct-2003.) (Proof shortened by Andrew Salmon, 30-May-2011.) |
Ref | Expression |
---|---|
r19.12 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfcv 2178 | . . . 4 | |
2 | nfra1 2355 | . . . 4 | |
3 | 1, 2 | nfrexxy 2361 | . . 3 |
4 | ax-1 5 | . . 3 | |
5 | 3, 4 | ralrimi 2390 | . 2 |
6 | rsp 2369 | . . . . 5 | |
7 | 6 | com12 27 | . . . 4 |
8 | 7 | reximdv 2420 | . . 3 |
9 | 8 | ralimia 2382 | . 2 |
10 | 5, 9 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wcel 1393 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-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-4 1400 ax-17 1419 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 |
This theorem is referenced by: iuniin 3667 |
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