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| Mirrors > Home > MPE Home > Th. List > mpgbir | Structured version Visualization version GIF version | ||
| Description: Modus ponens on biconditional combined with generalization. (Contributed by NM, 24-May-1994.) (Proof shortened by Stefan Allan, 28-Oct-2008.) |
| Ref | Expression |
|---|---|
| mpgbir.1 | ⊢ (𝜑 ↔ ∀𝑥𝜓) |
| mpgbir.2 | ⊢ 𝜓 |
| Ref | Expression |
|---|---|
| mpgbir | ⊢ 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mpgbir.2 | . . 3 ⊢ 𝜓 | |
| 2 | 1 | ax-gen 1828 | . 2 ⊢ ∀𝑥𝜓 |
| 3 | mpgbir.1 | . 2 ⊢ (𝜑 ↔ ∀𝑥𝜓) | |
| 4 | 2, 3 | mpbir 234 | 1 ⊢ 𝜑 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∀wal 1568 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 |
| This proof depends on definitions: df-bi 210 |
| This theorem is used by: cvjust 2757 eqriv 2760 nfci 2914 abid2f 2956 abid2fOLD 2957 rgen 3082 ssriv 3917 nel0 4305 rab0OLD 4339 ssmin 4932 intab 4943 sndisj 5100 disjxsn 5102 fr0 5636 relssi 5772 dmi 5915 dmep 5917 onfr 6428 funopabeq 6604 isarep2 6659 opabiotafun 6996 fvopab3ig 7020 opabex 7257 caovmo 7690 funmpt3 7719 trom 7920 tz7.44lem1 8451 pwfir 9346 dfsup2 9473 zfregfr 9642 dfom3 9685 dfttrcl2 9762 trcl 9766 tc2 9778 rankf 9839 rankval4 9921 scottabf 9976 uniwun 10864 dfnn2 12388 dfuzi 12830 fzodisj 13868 fzodisjsn 13872 cycsubg 19473 efger 19983 made0 28306 lrrecfr 28386 dfn0s2 28775 ajfuni 31518 funadj 32545 rabexgfGS 33194 abrexdomjm 33202 ballotth 35281 bnj1133 35730 jf1o 36052 vsmrep 36131 satfv0fun 36344 fmla0xp 36356 dfon3 36869 fnsingle 36896 dfiota3 36900 hftr 37148 tz9.1tco 37486 dfttc3gw 37526 bj-rabtrALT 38059 ismblfin 38847 abrexdom 38932 cllem0 44828 cotrintab 44875 brtrclfv2 44988 snhesn 45047 psshepw 45049 k0004val0 45415 compab 45685 onfrALT 45792 dvcosre 47195 sinnpoly 48214 cfsetssfset 48399 alimp-surprise 51304 |
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