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Mirrors > Home > ILE Home > Th. List > 19.21h | Unicode version |
Description: Theorem 19.21 of [Margaris] p. 90. The hypothesis can be thought of as " is not free in ." New proofs should use 19.21 1515 instead. (Contributed by NM, 5-Aug-1993.) (New usage is discouraged.) |
Ref | Expression |
---|---|
19.21h.1 |
Ref | Expression |
---|---|
19.21h |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.21h.1 | . . 3 | |
2 | alim 1386 | . . 3 | |
3 | 1, 2 | syl5 32 | . 2 |
4 | hba1 1473 | . . . 4 | |
5 | 1, 4 | hbim 1477 | . . 3 |
6 | ax-4 1440 | . . . 4 | |
7 | 6 | imim2i 12 | . . 3 |
8 | 5, 7 | alrimih 1398 | . 2 |
9 | 3, 8 | impbii 124 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 103 wal 1282 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-4 1440 ax-ial 1467 ax-i5r 1468 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: hbim1 1502 nf3 1599 19.21v 1794 |
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