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Mirrors > Home > ILE Home > Th. List > sbiedh | Unicode version |
Description: Conversion of implicit substitution to explicit substitution (deduction version of sbieh 1673). New proofs should use sbied 1671 instead. (Contributed by NM, 30-Jun-1994.) (Proof shortened by Andrew Salmon, 25-May-2011.) (New usage is discouraged.) |
Ref | Expression |
---|---|
sbiedh.1 | |
sbiedh.2 | |
sbiedh.3 |
Ref | Expression |
---|---|
sbiedh |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sb1 1649 | . . . 4 | |
2 | sbiedh.1 | . . . . 5 | |
3 | sbiedh.3 | . . . . . . 7 | |
4 | bi1 111 | . . . . . . 7 | |
5 | 3, 4 | syl6 29 | . . . . . 6 |
6 | 5 | impd 242 | . . . . 5 |
7 | 2, 6 | eximdh 1502 | . . . 4 |
8 | 1, 7 | syl5 28 | . . 3 |
9 | sbiedh.2 | . . . 4 | |
10 | 2, 9 | 19.9hd 1552 | . . 3 |
11 | 8, 10 | syld 40 | . 2 |
12 | bi2 121 | . . . . . . 7 | |
13 | 3, 12 | syl6 29 | . . . . . 6 |
14 | 13 | com23 72 | . . . . 5 |
15 | 2, 14 | alimdh 1356 | . . . 4 |
16 | sb2 1650 | . . . 4 | |
17 | 15, 16 | syl6 29 | . . 3 |
18 | 9, 17 | syld 40 | . 2 |
19 | 11, 18 | impbid 120 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wb 98 wal 1241 wex 1381 wsb 1645 |
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-i9 1423 ax-ial 1427 |
This theorem depends on definitions: df-bi 110 df-sb 1646 |
This theorem is referenced by: sbied 1671 sbieh 1673 sbcomxyyz 1846 |
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