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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 2927 2ordpr 4620 regexmid 4631 ordsoexmid 4658 reg3exmid 4676 intasym 5119 relcoi1 5266 funres11 5399 cnvresid 5401 mpofvex 6365 df1st2 6379 df2nd2 6380 dftpos4 6424 tposf12 6430 frecabcl 6560 xp01disjl 6597 xpcomco 7005 1ndom2 7046 ominf 7080 sbthlem2 7151 djuunr 7259 eldju 7261 ctssdccl 7304 ctssdclemr 7305 omct 7310 ctssexmid 7343 rec1nq 7608 halfnqq 7623 caucvgsrlemasr 8003 axresscn 8073 0re 8172 gtso 8251 cnegexlem2 8348 uzn0 9765 indstr 9820 dfioo2 10202 fnn0nninf 10693 hashinfuni 11032 hashp1i 11067 cnrecnv 11464 rexanuz 11542 xrmaxiflemcom 11803 climdm 11849 sumsnf 11963 tanvalap 12262 egt2lt3 12334 lcmgcdlem 12642 3prm 12693 sqpweven 12740 2sqpwodd 12741 qnumval 12750 qdenval 12751 modxai 12982 xpnnen 13008 ennnfonelemhdmp1 13023 ennnfonelemss 13024 ennnfonelemnn0 13036 qnnen 13045 ctiunctal 13055 unct 13056 structcnvcnv 13091 setsslid 13126 prdsvallem 13348 prdsval 13349 xpsfrn 13426 xpsff1o2 13427 ringn0 14066 rmodislmodlem 14357 cnfldstr 14565 cnfldadd 14569 cnfldmul 14571 cnfldsub 14582 cnsubmlem 14585 cnsubglem 14586 zring0 14607 tgrest 14886 lmbr2 14931 cnptoprest 14956 lmff 14966 tx1cn 14986 tx2cn 14987 cnblcld 15252 cnfldms 15253 cnfldtopn 15256 tgioo 15271 reeff1o 15490 pilem1 15496 efhalfpi 15516 coseq0negpitopi 15553 pw1ninf 16540 012of 16542 pw1nct 16554 nnnninfen 16573 iswomninnlem 16603 |
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