Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > csbiebt | Unicode version |
Description: Conversion of implicit substitution to explicit substitution into a class. (Closed theorem version of csbiegf 3013.) (Contributed by NM, 11-Nov-2005.) |
Ref | Expression |
---|---|
csbiebt |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2671 | . 2 | |
2 | spsbc 2893 | . . . . 5 | |
3 | 2 | adantr 274 | . . . 4 |
4 | simpl 108 | . . . . 5 | |
5 | biimt 240 | . . . . . . 7 | |
6 | csbeq1a 2983 | . . . . . . . 8 | |
7 | 6 | eqeq1d 2126 | . . . . . . 7 |
8 | 5, 7 | bitr3d 189 | . . . . . 6 |
9 | 8 | adantl 275 | . . . . 5 |
10 | nfv 1493 | . . . . . 6 | |
11 | nfnfc1 2261 | . . . . . 6 | |
12 | 10, 11 | nfan 1529 | . . . . 5 |
13 | nfcsb1v 3005 | . . . . . . 7 | |
14 | 13 | a1i 9 | . . . . . 6 |
15 | simpr 109 | . . . . . 6 | |
16 | 14, 15 | nfeqd 2273 | . . . . 5 |
17 | 4, 9, 12, 16 | sbciedf 2916 | . . . 4 |
18 | 3, 17 | sylibd 148 | . . 3 |
19 | 13 | a1i 9 | . . . . . . . 8 |
20 | id 19 | . . . . . . . 8 | |
21 | 19, 20 | nfeqd 2273 | . . . . . . 7 |
22 | 11, 21 | nfan1 1528 | . . . . . 6 |
23 | 7 | biimprcd 159 | . . . . . . 7 |
24 | 23 | adantl 275 | . . . . . 6 |
25 | 22, 24 | alrimi 1487 | . . . . 5 |
26 | 25 | ex 114 | . . . 4 |
27 | 26 | adantl 275 | . . 3 |
28 | 18, 27 | impbid 128 | . 2 |
29 | 1, 28 | sylan 281 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wal 1314 wceq 1316 wcel 1465 wnfc 2245 cvv 2660 wsbc 2882 csb 2975 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 683 ax-5 1408 ax-7 1409 ax-gen 1410 ax-ie1 1454 ax-ie2 1455 ax-8 1467 ax-10 1468 ax-11 1469 ax-i12 1470 ax-bndl 1471 ax-4 1472 ax-17 1491 ax-i9 1495 ax-ial 1499 ax-i5r 1500 ax-ext 2099 |
This theorem depends on definitions: df-bi 116 df-3an 949 df-tru 1319 df-nf 1422 df-sb 1721 df-clab 2104 df-cleq 2110 df-clel 2113 df-nfc 2247 df-v 2662 df-sbc 2883 df-csb 2976 |
This theorem is referenced by: csbiedf 3010 csbieb 3011 csbiegf 3013 |
Copyright terms: Public domain | W3C validator |