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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 2949 2ordpr 4669 regexmid 4680 ordsoexmid 4707 reg3exmid 4725 intasym 5170 relcoi1 5317 funres11 5451 cnvresid 5453 mpofvex 6435 df1st2 6449 df2nd2 6450 dftpos4 6528 tposf12 6534 frecabcl 6664 xp01disjl 6701 xpcomco 7118 1ndom2 7160 ominf 7194 sbthlem2 7269 djuunr 7400 eldju 7402 ctssdccl 7445 ctssdclemr 7446 omct 7451 ctssexmid 7484 rec1nq 7756 halfnqq 7771 caucvgsrlemasr 8151 axresscn 8221 0re 8320 gtso 8398 cnegexlem2 8496 uzn0 9921 indstr 9976 dfioo2 10359 fnn0nninf 10858 hashinfuni 11199 hashp1i 11234 cnrecnv 11659 rexanuz 11737 xrmaxiflemcom 11998 climdm 12044 sumsnf 12159 tanvalap 12458 egt2lt3 12530 lcmgcdlem 12838 3prm 12889 sqpweven 12936 2sqpwodd 12937 qnumval 12946 qdenval 12947 modxai 13178 xpnnen 13268 ennnfonelemhdmp1 13283 ennnfonelemss 13284 ennnfonelemnn0 13296 qnnen 13305 ctiunctal 13315 unct 13316 structcnvcnv 13351 setsslid 13386 prdsvallem 13604 xpsfrn 13654 xpsff1o2 13655 prdsval 14156 ringn0 14348 rmodislmodlem 14670 cnfldstr 14878 cnfldadd 14882 cnfldmul 14884 cnfldsub 14895 cnsubmlem 14898 cnsubglem 14899 zring0 14918 tgrest 15253 lmbr2 15298 cnptoprest 15323 lmff 15333 tx1cn 15353 tx2cn 15354 cnblcld 15619 cnfldms 15620 cnfldtopn 15623 tgioo 15638 reeff1o 15857 pilem1 15863 efhalfpi 15883 coseq0negpitopi 15920 konigsberglem2 16713 konigsberglem5 16716 pw1ninf 17004 012of 17006 pw1nct 17016 nnnninfen 17038 iswomninnlem 17073 |
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