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Mirrors > Home > MPE Home > Th. List > pm5.32ri | Structured version Visualization version GIF version |
Description: Distribution of implication over biconditional (inference form). (Contributed by NM, 12-Mar-1995.) |
Ref | Expression |
---|---|
pm5.32i.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
pm5.32ri | ⊢ ((𝜓 ∧ 𝜑) ↔ (𝜒 ∧ 𝜑)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm5.32i.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
2 | 1 | pm5.32i 577 | . 2 ⊢ ((𝜑 ∧ 𝜓) ↔ (𝜑 ∧ 𝜒)) |
3 | ancom 463 | . 2 ⊢ ((𝜓 ∧ 𝜑) ↔ (𝜑 ∧ 𝜓)) | |
4 | ancom 463 | . 2 ⊢ ((𝜒 ∧ 𝜑) ↔ (𝜑 ∧ 𝜒)) | |
5 | 2, 3, 4 | 3bitr4i 305 | 1 ⊢ ((𝜓 ∧ 𝜑) ↔ (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: anbi1i 625 pm5.36 831 oranabs 996 pm5.61 997 pm5.75 1025 eu6lem 2658 2eu5 2740 2eu5OLD 2741 ceqsralt 3528 ceqsrexbv 3650 reuind 3744 rabsn 4657 preqsn 4792 reusv2lem4 5302 reusv2lem5 5303 elidinxp 5911 dfoprab2 7212 fsplit 7812 fsplitOLD 7813 xpsnen 8601 elfpw 8826 rankuni 9292 prprrab 13832 isprm2 16026 ismnd 17914 dfgrp2e 18129 pjfval2 20853 neipeltop 21737 cmpfi 22016 isxms2 23058 ishl2 23973 wwlksn0s 27639 clwwlkn1 27819 clwwlkn2 27822 pjimai 29953 bj-snglc 34284 bj-epelb 34364 bj-elid6 34465 isbndx 35075 inecmo2 35625 inecmo3 35630 dfrefrel2 35770 dfcnvrefrel2 35783 dfsymrel2 35800 dfsymrel4 35802 dfsymrel5 35803 refsymrels2 35816 refsymrel2 35818 refsymrel3 35819 dftrrel2 35828 elfunsALTV2 35941 elfunsALTV3 35942 elfunsALTV4 35943 elfunsALTV5 35944 eldisjs2 35971 cdlemefrs29pre00 37546 cdlemefrs29cpre1 37549 dihglb2 38493 elnonrel 39965 pm13.193 40763 |
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