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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 2939 2ordpr 4645 regexmid 4656 ordsoexmid 4683 reg3exmid 4701 intasym 5146 relcoi1 5293 funres11 5427 cnvresid 5429 mpofvex 6400 df1st2 6414 df2nd2 6415 dftpos4 6493 tposf12 6499 frecabcl 6629 xp01disjl 6666 xpcomco 7076 1ndom2 7118 ominf 7152 sbthlem2 7227 djuunr 7356 eldju 7358 ctssdccl 7401 ctssdclemr 7402 omct 7407 ctssexmid 7440 rec1nq 7706 halfnqq 7721 caucvgsrlemasr 8101 axresscn 8171 0re 8270 gtso 8348 cnegexlem2 8445 uzn0 9866 indstr 9921 dfioo2 10303 fnn0nninf 10796 hashinfuni 11135 hashp1i 11170 cnrecnv 11588 rexanuz 11666 xrmaxiflemcom 11927 climdm 11973 sumsnf 12088 tanvalap 12387 egt2lt3 12459 lcmgcdlem 12767 3prm 12818 sqpweven 12865 2sqpwodd 12866 qnumval 12875 qdenval 12876 modxai 13107 xpnnen 13134 ennnfonelemhdmp1 13149 ennnfonelemss 13150 ennnfonelemnn0 13162 qnnen 13171 ctiunctal 13181 unct 13182 structcnvcnv 13217 setsslid 13252 prdsvallem 13474 prdsval 13475 xpsfrn 13552 xpsff1o2 13553 ringn0 14193 rmodislmodlem 14485 cnfldstr 14693 cnfldadd 14697 cnfldmul 14699 cnfldsub 14710 cnsubmlem 14713 cnsubglem 14714 zring0 14735 tgrest 15021 lmbr2 15066 cnptoprest 15091 lmff 15101 tx1cn 15121 tx2cn 15122 cnblcld 15387 cnfldms 15388 cnfldtopn 15391 tgioo 15406 reeff1o 15625 pilem1 15631 efhalfpi 15651 coseq0negpitopi 15688 konigsberglem2 16471 konigsberglem5 16474 pw1ninf 16752 012of 16754 pw1nct 16764 nnnninfen 16786 iswomninnlem 16821 |
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