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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 927 rbaib 928 ceqsrexbv 2937 elrab3 2963 rabsn 3736 elrint2 3969 frind 4449 fnres 5449 f1ompt 5798 fliftfun 5937 ovid 6138 brdifun 6729 xpcomco 7010 isacnm 7418 ltexprlemdisj 7826 xrlenlt 8244 reapval 8756 znnnlt1 9527 difrp 9927 elfz 10249 fzolb2 10390 elfzo3 10399 fzouzsplit 10416 bitsval2 12507 rpexp 12727 isghm3 13833 isabl2 13883 dfrhm2 14171 bastop1 14810 cnntr 14952 lmres 14975 tx1cn 14996 tx2cn 14997 xmetec 15164 lgsabs1 15771 |
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