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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 2812 2ordpr 4447 regexmid 4458 ordsoexmid 4485 reg3exmid 4502 intasym 4931 relcoi1 5078 funres11 5203 cnvresid 5205 mpofvex 6109 df1st2 6124 df2nd2 6125 dftpos4 6168 tposf12 6174 frecabcl 6304 xp01disjl 6339 xpcomco 6728 ominf 6798 sbthlem2 6854 djuunr 6959 eldju 6961 ctssdccl 7004 ctssdclemr 7005 omct 7010 ctssexmid 7032 rec1nq 7227 halfnqq 7242 caucvgsrlemasr 7622 axresscn 7692 0re 7790 gtso 7867 cnegexlem2 7962 uzn0 9365 indstr 9415 dfioo2 9787 fnn0nninf 10241 hashinfuni 10555 hashp1i 10588 cnrecnv 10714 rexanuz 10792 xrmaxiflemcom 11050 climdm 11096 sumsnf 11210 tanvalap 11451 egt2lt3 11522 lcmgcdlem 11794 3prm 11845 sqpweven 11889 2sqpwodd 11890 qnumval 11899 qdenval 11900 xpnnen 11943 ennnfonelemhdmp1 11958 ennnfonelemss 11959 ennnfonelemnn0 11971 qnnen 11980 ctiunctal 11990 unct 11991 structcnvcnv 12014 setsslid 12048 tgrest 12377 lmbr2 12422 cnptoprest 12447 lmff 12457 tx1cn 12477 tx2cn 12478 cnblcld 12743 tgioo 12754 reeff1o 12902 pilem1 12908 efhalfpi 12928 coseq0negpitopi 12965 012of 13363 pw1nct 13371 iswomninnlem 13417 |
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