| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 2thd | Structured version Visualization version GIF version | ||
| Description: Two truths are equivalent. Deduction form. (Contributed by NM, 3-Jun-2012.) |
| Ref | Expression |
|---|---|
| 2thd.1 | ⊢ (𝜑 → 𝜓) |
| 2thd.2 | ⊢ (𝜑 → 𝜒) |
| Ref | Expression |
|---|---|
| 2thd | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2thd.1 | . 2 ⊢ (𝜑 → 𝜓) | |
| 2 | 2thd.2 | . 2 ⊢ (𝜑 → 𝜒) | |
| 3 | pm5.1im 263 | . 2 ⊢ (𝜓 → (𝜒 → (𝜓 ↔ 𝜒))) | |
| 4 | 1, 2, 3 | sylc 65 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 |
| 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 207 |
| This theorem is referenced by: 2falsed 376 biort 936 vtocl2d 3521 vtocl2 3524 vtocl3 3525 rspcime 3583 sbc2or 3751 disjprg 5096 euotd 5469 posn 5718 frsn 5720 cnvpo 6253 elabrex 7198 elabrexg 7199 riota5f 7353 smoord 8307 brwdom2 9490 finacn 9972 acacni 10063 dfac13 10065 fin1a2lem10 10331 gch2 10598 gchac 10604 recmulnq 10887 nn1m1nn 12178 nn0sub 12463 xnn0n0n1ge2b 13058 qextltlem 13129 xnn0lem1lt 13171 xsubge0 13188 xlesubadd 13190 iccshftr 13414 iccshftl 13416 iccdil 13418 icccntr 13420 fzaddel 13486 elfzomelpfzo 13700 sqlecan 14144 nnesq 14162 hashdom 14314 swrdspsleq 14601 repswsymballbi 14715 m1exp1 16315 bitsmod 16375 dvdssq 16506 pcdvdsb 16809 vdwmc2 16919 acsfn 17594 subsubc 17789 funcres2b 17833 isipodrs 18472 issubg3 19086 sdrgacs 20746 lmhmlvec 21074 opnnei 23076 lmss 23254 lmres 23256 cmpfi 23364 xkopt 23611 acufl 23873 lmhmclm 25055 equivcmet 25285 degltlem1 26045 mdegle0 26050 cxple2 26674 rlimcnp3 26945 dchrelbas3 27217 tgcolg 28638 hlbtwn 28695 eupth2lem3lem6 30320 ifnebib 32635 isoun 32791 subsdrg 33391 unitprodclb 33481 smatrcl 33973 msrrcl 35756 fz0n 35944 onint1 36662 bj-animbi 36780 bj-nfcsym 37144 matunitlindf 37866 ftc1anclem6 37946 lcvexchlem1 39407 ltrnatb 40510 cdlemg27b 41069 dvdsexpnn0 42701 fsuppind 42945 gicabl 43453 dfacbasgrp 43462 rp-fakeimass 43865 or3or 44376 radcnvrat 44667 eliooshift 45863 ellimcabssub0 45974 resccat 49430 |
| Copyright terms: Public domain | W3C validator |