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| Mirrors > Home > ILE Home > Th. List > mp2b | GIF version | ||
| Description: A double modus ponens inference. (Contributed by Mario Carneiro, 24-Jan-2013.) |
| Ref | Expression |
|---|---|
| mp2b.1 | ⊢ 𝜑 |
| mp2b.2 | ⊢ (𝜑 → 𝜓) |
| mp2b.3 | ⊢ (𝜓 → 𝜒) |
| Ref | Expression |
|---|---|
| mp2b | ⊢ 𝜒 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mp2b.1 | . . 3 ⊢ 𝜑 | |
| 2 | mp2b.2 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ 𝜓 |
| 4 | mp2b.3 | . 2 ⊢ (𝜓 → 𝜒) | |
| 5 | 3, 4 | ax-mp 5 | 1 ⊢ 𝜒 |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 |
| This theorem was proved from axioms: ax-mp 5 |
| This theorem is referenced by: eqvinc 2928 2ordpr 4624 regexmid 4635 ordsoexmid 4662 reg3exmid 4680 intasym 5123 relcoi1 5270 funres11 5404 cnvresid 5406 mpofvex 6375 df1st2 6389 df2nd2 6390 dftpos4 6434 tposf12 6440 frecabcl 6570 xp01disjl 6607 xpcomco 7015 1ndom2 7056 ominf 7090 sbthlem2 7162 djuunr 7270 eldju 7272 ctssdccl 7315 ctssdclemr 7316 omct 7321 ctssexmid 7354 rec1nq 7620 halfnqq 7635 caucvgsrlemasr 8015 axresscn 8085 0re 8184 gtso 8263 cnegexlem2 8360 uzn0 9777 indstr 9832 dfioo2 10214 fnn0nninf 10706 hashinfuni 11045 hashp1i 11080 cnrecnv 11493 rexanuz 11571 xrmaxiflemcom 11832 climdm 11878 sumsnf 11993 tanvalap 12292 egt2lt3 12364 lcmgcdlem 12672 3prm 12723 sqpweven 12770 2sqpwodd 12771 qnumval 12780 qdenval 12781 modxai 13012 xpnnen 13038 ennnfonelemhdmp1 13053 ennnfonelemss 13054 ennnfonelemnn0 13066 qnnen 13075 ctiunctal 13085 unct 13086 structcnvcnv 13121 setsslid 13156 prdsvallem 13378 prdsval 13379 xpsfrn 13456 xpsff1o2 13457 ringn0 14097 rmodislmodlem 14388 cnfldstr 14596 cnfldadd 14600 cnfldmul 14602 cnfldsub 14613 cnsubmlem 14616 cnsubglem 14617 zring0 14638 tgrest 14922 lmbr2 14967 cnptoprest 14992 lmff 15002 tx1cn 15022 tx2cn 15023 cnblcld 15288 cnfldms 15289 cnfldtopn 15292 tgioo 15307 reeff1o 15526 pilem1 15532 efhalfpi 15552 coseq0negpitopi 15589 konigsberglem2 16369 konigsberglem5 16372 pw1ninf 16650 012of 16652 pw1nct 16664 nnnninfen 16686 iswomninnlem 16721 |
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