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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 2943 2ordpr 4651 regexmid 4662 ordsoexmid 4689 reg3exmid 4707 intasym 5152 relcoi1 5299 funres11 5433 cnvresid 5435 mpofvex 6414 df1st2 6428 df2nd2 6429 dftpos4 6507 tposf12 6513 frecabcl 6643 xp01disjl 6680 xpcomco 7090 1ndom2 7132 ominf 7166 sbthlem2 7241 djuunr 7370 eldju 7372 ctssdccl 7415 ctssdclemr 7416 omct 7421 ctssexmid 7454 rec1nq 7726 halfnqq 7741 caucvgsrlemasr 8121 axresscn 8191 0re 8290 gtso 8368 cnegexlem2 8466 uzn0 9891 indstr 9946 dfioo2 10329 fnn0nninf 10827 hashinfuni 11168 hashp1i 11203 cnrecnv 11623 rexanuz 11701 xrmaxiflemcom 11962 climdm 12008 sumsnf 12123 tanvalap 12422 egt2lt3 12494 lcmgcdlem 12802 3prm 12853 sqpweven 12900 2sqpwodd 12901 qnumval 12910 qdenval 12911 modxai 13142 xpnnen 13232 ennnfonelemhdmp1 13247 ennnfonelemss 13248 ennnfonelemnn0 13260 qnnen 13269 ctiunctal 13279 unct 13280 structcnvcnv 13315 setsslid 13350 prdsvallem 13567 xpsfrn 13617 xpsff1o2 13618 prdsval 14118 ringn0 14306 rmodislmodlem 14627 cnfldstr 14835 cnfldadd 14839 cnfldmul 14841 cnfldsub 14852 cnsubmlem 14855 cnsubglem 14856 zring0 14877 tgrest 15163 lmbr2 15208 cnptoprest 15233 lmff 15243 tx1cn 15263 tx2cn 15264 cnblcld 15529 cnfldms 15530 cnfldtopn 15533 tgioo 15548 reeff1o 15767 pilem1 15773 efhalfpi 15793 coseq0negpitopi 15830 konigsberglem2 16613 konigsberglem5 16616 pw1ninf 16904 012of 16906 pw1nct 16916 nnnninfen 16938 iswomninnlem 16973 |
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