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Mirrors > Home > MPE Home > Th. List > baibr | Structured version Visualization version GIF version |
Description: Move conjunction outside of biconditional. (Contributed by NM, 11-Jul-1994.) |
Ref | Expression |
---|---|
baib.1 | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) |
Ref | Expression |
---|---|
baibr | ⊢ (𝜓 → (𝜒 ↔ 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | baib.1 | . . 3 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜒)) | |
2 | 1 | baib 538 | . 2 ⊢ (𝜓 → (𝜑 ↔ 𝜒)) |
3 | 2 | bicomd 225 | 1 ⊢ (𝜓 → (𝜒 ↔ 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: rbaibr 540 pm5.44 545 exmoeub 2661 ssnelpss 4087 brinxp 5624 copsex2ga 5674 canth 7105 riotaxfrd 7142 iscard 9398 kmlem14 9583 ltxrlt 10705 elioo5 12788 prmind2 16023 pcelnn 16200 isnirred 19444 isreg2 21979 comppfsc 22134 kqcldsat 22335 elmptrab 22429 itg2uba 24338 prmorcht 25749 adjeq 29706 lnopcnbd 29807 cvexchlem 30139 maprnin 30461 topfne 33697 ismblfin 34927 ftc1anclem5 34965 isdmn2 35327 cdlemefrs29pre00 37525 cdlemefrs29cpre1 37528 isdomn3 39797 elmapintab 39949 bits0ALTV 43838 |
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