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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 2926 2ordpr 4617 regexmid 4628 ordsoexmid 4655 reg3exmid 4673 intasym 5116 relcoi1 5263 funres11 5396 cnvresid 5398 mpofvex 6362 df1st2 6376 df2nd2 6377 dftpos4 6420 tposf12 6426 frecabcl 6556 xp01disjl 6593 xpcomco 6998 1ndom2 7039 ominf 7071 sbthlem2 7141 djuunr 7249 eldju 7251 ctssdccl 7294 ctssdclemr 7295 omct 7300 ctssexmid 7333 rec1nq 7598 halfnqq 7613 caucvgsrlemasr 7993 axresscn 8063 0re 8162 gtso 8241 cnegexlem2 8338 uzn0 9755 indstr 9805 dfioo2 10187 fnn0nninf 10677 hashinfuni 11016 hashp1i 11050 cnrecnv 11442 rexanuz 11520 xrmaxiflemcom 11781 climdm 11827 sumsnf 11941 tanvalap 12240 egt2lt3 12312 lcmgcdlem 12620 3prm 12671 sqpweven 12718 2sqpwodd 12719 qnumval 12728 qdenval 12729 modxai 12960 xpnnen 12986 ennnfonelemhdmp1 13001 ennnfonelemss 13002 ennnfonelemnn0 13014 qnnen 13023 ctiunctal 13033 unct 13034 structcnvcnv 13069 setsslid 13104 prdsvallem 13326 prdsval 13327 xpsfrn 13404 xpsff1o2 13405 ringn0 14044 rmodislmodlem 14335 cnfldstr 14543 cnfldadd 14547 cnfldmul 14549 cnfldsub 14560 cnsubmlem 14563 cnsubglem 14564 zring0 14585 tgrest 14864 lmbr2 14909 cnptoprest 14934 lmff 14944 tx1cn 14964 tx2cn 14965 cnblcld 15230 cnfldms 15231 cnfldtopn 15234 tgioo 15249 reeff1o 15468 pilem1 15474 efhalfpi 15494 coseq0negpitopi 15531 pw1ninf 16468 012of 16470 pw1nct 16482 nnnninfen 16501 iswomninnlem 16531 |
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