New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > NFE Home > Th. List > nfiota | Unicode version |
Description: Bound-variable hypothesis builder for the class. (Contributed by NM, 23-Aug-2011.) |
Ref | Expression |
---|---|
nfiota.1 |
Ref | Expression |
---|---|
nfiota |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nftru 1554 | . . 3 | |
2 | nfiota.1 | . . . 4 | |
3 | 2 | a1i 10 | . . 3 |
4 | 1, 3 | nfiotad 4342 | . 2 |
5 | 4 | trud 1323 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wtru 1316 wnf 1544 wnfc 2476 cio 4337 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-clab 2340 df-cleq 2346 df-clel 2349 df-nfc 2478 df-ral 2619 df-rex 2620 df-sn 3741 df-uni 3892 df-iota 4339 |
This theorem is referenced by: csbiotag 4371 nffv 5334 |
Copyright terms: Public domain | W3C validator |