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| Mirrors > Home > ILE Home > Th. List > baib | GIF version | ||
| Description: Move conjunction outside of biconditional. (Contributed by NM, 13-May-1999.) |
| Ref | Expression |
|---|---|
| baib.1 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
| Ref | Expression |
|---|---|
| baib | ⊢ (𝜓 → (𝜑 ↔ 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | baib.1 | . 2 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
| 2 | ibar 301 | . 2 ⊢ (𝜓 → (𝜒 ↔ (𝜓 ∧ 𝜒))) | |
| 3 | 1, 2 | bitr4id 199 | 1 ⊢ (𝜓 → (𝜑 ↔ 𝜒)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 |
| This theorem is referenced by: baibr 928 rbaib 929 ceqsrexbv 2950 elrab3 2976 rabsn 3758 elrint2 3992 frind 4475 fnres 5477 f1ompt 5830 fliftfun 5971 ovid 6172 brdifun 6796 xpcomco 7079 isacnm 7512 ltexprlemdisj 7926 xrlenlt 8343 reapval 8855 znnnlt1 9630 difrp 10031 elfz 10354 fzolb2 10496 elfzo3 10505 fzouzsplit 10522 bitsval2 12638 rpexp 12858 ballotfilemodife 13162 isghm3 13982 isabl2 14032 dfrhm2 14321 bastop1 14997 cnntr 15139 lmres 15162 tx1cn 15183 tx2cn 15184 xmetec 15351 lgsabs1 15961 |
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