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Mirrors > Home > ILE Home > Th. List > nfriotadxy | Unicode version |
Description: Deduction version of nfriota 5477. (Contributed by Jim Kingdon, 12-Jan-2019.) |
Ref | Expression |
---|---|
nfriotadxy.1 | |
nfriotadxy.2 | |
nfriotadxy.3 |
Ref | Expression |
---|---|
nfriotadxy |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-riota 5468 | . 2 | |
2 | nfriotadxy.1 | . . 3 | |
3 | nfcv 2178 | . . . . . 6 | |
4 | 3 | a1i 9 | . . . . 5 |
5 | nfriotadxy.3 | . . . . 5 | |
6 | 4, 5 | nfeld 2193 | . . . 4 |
7 | nfriotadxy.2 | . . . 4 | |
8 | 6, 7 | nfand 1460 | . . 3 |
9 | 2, 8 | nfiotadxy 4870 | . 2 |
10 | 1, 9 | nfcxfrd 2176 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wnf 1349 wcel 1393 wnfc 2165 cio 4865 crio 5467 |
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-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-rex 2312 df-sn 3381 df-uni 3581 df-iota 4867 df-riota 5468 |
This theorem is referenced by: nfriota 5477 |
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